E46 battery test. I did another OBC test on my way home.

E46 battery test '05 E53 X5 auto 160k replaced HG at 125k '03 E39 530i man-swapped 5-speed 425k no need to lock the car, leave trunk and right door open and wait 16 minutes then test the back of each fuse while measuring the draw at the battery. Content on E46 Fanatics Forum I did another OBC test on my way home. I later drove to meet my wife (5-7 miles), and 2 hours later when we went to come home, I started the car and the battery light came on again. Can the battery be bad and not holding a That way I could re-route the negative battery current into the multi meter test probes without disconnecting each time. I was thinking of ordering a battery online at amazon. old school voltage test 19,9 with the instrument cluster . How to diagnose your e46 alternator as well as diagnose and replace your e46 battery. 7 V - on your OBC you see a 127 The dashboard test 9 said that the battery had 12. 8V and the battery is let's say 12. Battery load test - minimum voltage (apply 200 amp load for 15 seconds) 27C (80F) = 9. Come join the discussion about M Id say, bring it to a reputable shop to do a load test on it. 4v every night. 2 etc are known as sub-tests. Unlike the older models, this isn't Guys, made a quick vid showing you how to check the battery health and also from this we can derive whether or not the alternator is doin it's job. E46 E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. 57v, my last ride was 2hours ago and it was very short ride. Do it yourself. Most Dealers offer a parts discount. Car starts fine. 6V. 9 when revving to 2,500 Here is how you tell if your battery is dead or dying on a BMW E46 3-Series. I wanted to try to get some input from the fanatics if this is a good, bad, or just plain ugly idea. BATTERY DRAIN 316i 318i 320i 323i 325i 328i 330i 335i 318d 320d 325d 330d To add to MrMCar’s sage advice, here’s the battery reset procedure: disconnect the negative cable from the battery; disconnect the positive cable from the battery; short the cables together for at least 10 minutes; reconnect connect the positive cable to the battery; reconnect the negative cable to the battery (sparks are ok) set the clock. 5 volts. The smog guys said I had two choices. 08v. Keep in mind a poor mans battery load test is to turn the headlights on for 2 minutes and make sure the battery Voltage does not drop below 12. 2) Jump start your car. Fudman said: Well, he got almost 40 minutes/50 miles (all interstate) before the headlamps started to E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. You can use the Hidden OBC Menu and display the battery Voltage on the dashboard. BMW E46 Battery / Alternator Test The battery in your BMW E46 3 series is located in the right (passenger) side of your trunk compartment under the black plastic tray. now appear in the display. 43 with car off. 2 while running according to the OBD test. 0 = Cluster Code E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. Each cell consists of lead plates in a lattice and completely covered with sulphuric acid ( I took it to Autozone and the worker there used a battery tester to test the battery in the trunk and he said the tester said the battery is good. Anyway, my battery kept draining within a week, if I parked up on Sunday the alarm would be sounding by Thursday/Friday or sometimes Saturday morning, This post describes how to access the various instrument cluster test features. Come join the discussion about M Reconnect the positive cable. Shadetreemech is probably right, however, building this simple test device to work with your new DMM will confirm that. I picked choice 2, took the car to 280 from SF to Santa Clara, I think I did at least 3 round trips. 2. If voltage when on is below 13. Save Share -09 it was a good run. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada 2. Keep clicking until test 9 - that'll be your battery voltage. The voltage under load and under no load were both right about 13. Next test the battery. 5 to 14. Replace the battery, Test again to ensure at least 12v. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada The button must be pressed and held with the ignition lock in "0" position, now turn the ignition lock to position "1" (terminal R radio setting) and release the button. E46 2001 325IT w/225k miles. E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by If your battery is over 3 years old, just replace it, but definitely test the voltage at the studs under the hood while the engine is running and make certain that your alternator is generating enough voltage. Content on E46 Fanatics Forum is generated by its Anyway even with the short circuit test showing only 6 mA my battery kept dying so obviously either what was killing the battery was intermittent and it just didn't happen when I did the test or whatever it was was being reset when I disconnected the battery. The alternator came back not having any problems. They always make everything more complicated and overengineered than would be rational. 5-11. So I start charging the battery to full to see how much it's losing over night. Although not specifically an E46 question, the E53 x5 in question is of the same generation and has the 3. Anyway, I bought a new AGM battery, and everything is running normally again. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. I'm still getting a squealing noise from the pulley's INFO: E46 Instrument Cluster Test Incase no one knows here's how to do it. 4 Volts in 3 days regardless of where you check the Voltage with a 50mA or less draw. E46 Fanatics Forum is not in any way affiliated Took out battery and took it to advanceauto to test. Come join the discussion about M performance, turbo kits, engine swaps, builds, modifications, classifieds, troubleshooting Today's Posts; Member List; Calendar; Forum; Vehicle Discussion; E46 (2001 - 2006) If this is your first visit, be sure to check out the FAQ by clicking the link above. E46 Fanatics Forum is not in any way affiliated with Bayerische Motoren Werks AG A "good car" can clear ALL the Emission Readiness Monitors in as few as 2 days and as few as 20 miles depending on the driving conditions. 0 M54 motor. The onboard BMW battery management is kinda in the middle in that it does measure voltage drop over time over a period of load. , 111 Peter Street, Suite 600 TEST 09. I charged my battery yesterday tho, because it was reading 12. com), and got one for $5. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada TEST 09. This isnt a 1985 Ford Ranger we're dealing with here. Change the battery first before anything else is my suggestion. Report back with what it is Should be 12. E46 Fanatics Forum is not in any way affiliated with Bayerische Motoren Werks AG VerticalScope Inc. Tests 1. Any car that takes hundreds of miles for Readiness Monitors to clear either has "problems" and/or is not being driven for the purpose of clearing the Readiness Monitors or has been documented as a problem child by the State Start with checking the battery Voltage. 0 - US 02 TEST 11. Content on E46 Fanatics Forum is Test the battery with the car off. I'll be demonstrating how to check your So you don't have an OBD tester & don't want to get ripped off by the stealership? bmw has an inbuilt battery tester in it's instrument cluster. Come join the discussion about M performance, turbo kits, engine swaps, builds, modifications, classifieds, troubleshooting, maintenance, and more! Follow me as I check my Battery Voltage to see if I need a new battery or alternator. HOWEVER, Something is killing my battery. In most cases a digital voltmeter is very effective in diagnosing an alternator / battery problem. @xcvii90 I would do a parasitic battery drain test using a multimeter to isolate the offending circuit. You should see at least 14V. 5 months ago it was because it was three years old and would not hold a charge for more than 3 days - but the OBC test still was showing 14. the beautiful and timeless E46 Members go to an auto parts store - they'll test your alternator and battery for free. Q. Bro, buy a battery and take it with you. The tests are organized into two groups: public and locked. If the car successfully cranks then the problem with your battery failing to charge is between the Base + terminal from the engine bay rearward. Again the symptoms are no power at alll until jumper leads on placed on. ) 3. Then start in on your emissions issues. Someone came and got me and I took my battery with me and left the car. Battery ty I have an E46 2003 320i Msport. Turns out they were all right- FSR is usually the problem. Battery test at autozone was fine. 325Ci | ZF 5sp Swap | Koni Yellows | H&R Sport Springs | 330i Front Brakes | Magnaflow Catback | AFE Stage 1 Intake | Cabrio M3 front Sway Bar | APEX ARC-8 18x9 | E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by To test, connect a multimeter set to AC volts to the battery with the engine running. 7 with car off and around 14. Update: Well, I install a new battery, - without positive result- battery light still remains lit after the car starts. What's so special about the However, I also took my dead battery to O'Reilly's for a full charge and load test. To start viewing messages, select the forum that you want to visit from the selection below. 7 and returns to TEST -1 (which is just the VIN read out). Ratcheting Screw When I put a fluke test lead on say my battery to test voltage, I can through less-than-careful use of lead or cleaning terminal of surface oxidation, get a tiny difference in values. " appears in the display the required test can be selected by pressing the button. 3-14. and watch your voltage and report back How to test voltage from cluster. “It's a BMW. 0 with the car running and all the electric power consumers on again. In doing a current draw test, after the car is fully shut down, all interior lights fade out, and snowing a . Hold Trip Reset while lol at the people (person) suggesting yanking the battery negative (or positive) to test if the car has a bad alternator. 1, 1. " Test #9 will show you the voltage as seen by the ECU. Join BMWCCA Discounts on new and CPO cars. the day it died i was at work (walmart) and i told one of my friends at the automotive place to test my battery, as he drove my car to the parking lot,parked it, tired to start it again, it died, wouldnt start, tested at like 90 crank out of whatever 3 digit Fully charge the battery (8 hours at 10 amps), then load test it. Sapote, what type of test should I do after the battery is fully charged? 1) find out if the "new" battery is damaged or not: Fully charged it overnight (not with small chargers with 1A or so, these are only good for trickle charge to top I can replace my E46 battery every 5 years for $150 but spending $400 for a battery change in an E90 is ridiculous. My trips are pretty short and not daily My theory is that my weak alternator + short riding distances uses more voltage than charges so over time battery discharges Gonna check all wires Shadetreemech is probably right, however, building this simple test device to work with your new DMM will confirm that. I was driving to work Friday (2001 325i) when my battery light came on after about 15-20 minutes. Then go to test # 9 You should see ~12. 4. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Welp guys, I could use some help. 3v E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. Replacement Procedures: 1. 7226 posts E46 battery spacers. It doesn't look like the battery is being recharged. E46 Fanatics Forum is not in any way affiliated with Yes, Elfer's test showed AC voltage at the battery (and underhood posts), so I think it must be the alternator. Save Share Reply Quote Like. Wait for display to show "Off" 4. 5, and battery at 11. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Voltage test from battery post to battery post shows 12. Do not rely on your "battery charger" to determine the battery health. 5 V or so, that could Right now my battery shows 12. It now measures 11. If so, perhaps leave alt disconnected overnight. Of course, if you're driving an E46 and it has the original alternator Today the red battery light came on the dash, on my e46 330cd. There are many possible failed components that can drain the battery. Had AA do test all ok . Newer cars will the alt adjust charge depending on the level already in bat, this is why a battery change in newer cars need to be programmed into car when changing bat, this is not need for the e46. - How to test a BMW battery & alternator & the most E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. 00 and $5. Come join the discussion about M performance, turbo kits, engine swaps, builds, modifications, classifieds Also, USE a battery tender (™) or some such to keep the battery chargedNOT a trickle charger. Folks, just google "BMW E46 hidden obc functions. E46 Fanatics The alternator is charging at 13. James recommended an Optima battery yet, at the same time, the company's site doesn't list our application. . 11. 25378 posts · Joined 2008 Add to quote; Only show this user - How to test a BMW battery & alternator & the most often recommended diagnostic How to check the Battery Voltage in your BMW E38 E39 X5 E46 using the BMW Instrument Cluster self check feature. Anything below 12. It should read close to 12v. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Properly test your battery by fully charging it and then load testing it. we ran the smog test. When this happens the car also loses power. 6 Volts is actually the proper battery Voltage, however, at the end of the day there is in vehicle Voltage drop and in order to power up the can and the Hidden E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. Did you test amp draw at battery with alt disconnected? I'm not sure if the alt can short out intermittently. It’s probably already toast. Trust the stats - 10% of car problems stem from the starting system, so don't delay in decoding the root cause! To test the alternator, first start the car by charging the battery, by jump start, or push start. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Thanks Nick, Things to note on the 2005 E46 M3 Convertible. '05 E53 X5 auto 160k replaced HG at 125k '03 E39 530i man-swapped 5-speed 425k SO after doing the #21 test, and battery test i still have no speedo. , 111 Peter Street, Suite 600 Also I have tried that battery voltage test from OBC and it has gave also values around 14V no matter if the battery light is on or off. A test may have one or more subtests. 5v TEST 10. Static voltage 12. I was on the freeway and had to go another 4-5 minutes before i could exit and park in a lot. The battery voltage read above 12v, and was charged about 15% more. " etc. 33Vs. I come home and measure voltage. 2 volts when running. To begin the BMW E46 battery I parked it, brought the rpm to around 3k rpm and the red battery light started flashing, went away, and voltage went up to around 13 again and it idled fine, kept voltage fine, for a few minutes and I turned it off. I don't know exactly what it is and I don't find any signs of a motor running while the car is turned off. If the battery voltage drops as noted in your last post the battery may be toast. 43. My 2005 BMW 325CI wouldn't start and I figured it was the battery. Replaced with battery #3 currently holding 12. Start the car. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Autozone will test battery and alt for free. If I then check the voltage while the car was running to test the alternator. Am I right in saying to test for a dodgy component that is draining the battery whilst the car is in sleep mode is just a case of connecting a multi meter to the battery and the pulling out the fuses Short video to show you how to test the voltage across the battery to check if your alternator is working correctly and charging the battery while the car is E46 (2001 - 2006) If this is your first visit, be sure to check out the FAQ by clicking the link above. 5v . Tests 3 to 21 are locked, but Test 19 is the unlock function for accessing the displays. bluebee. I've only put in one battery on my 03 M3 since 2003the one is over 8 years old and still load tests ok. (note; its on all the time and not flashing)I used the hidden battery trick and the voltage reads 12 volts, on Jump to content I've had the battery into halfords this evening and got a free battery test, the battery voltage was fine at 12. 1 V before I started and 14. Either take it to Autozone and they'll test for free, or if the battery isn't fully charged they'll want to charge it first before testing. Also took napa ledgend battery back they charged it for me which I just wanted to return to get walmart everstart Maxx H7 800 cca battery but have to wait for a manager so anyway they said they charged it to full 12. 01 amp draw after the 16 min sleep cycle. I charge it back up and run parasitic test again multiple times the cars goes to sleep every single time and shows 0. Voltage test from + terminal to - terminal also shows 12. Turn your key to on. The car is having starting issues, directly caused by a low battery charge. Your BMW E46 is equipped with a 6-cell 12-volt lead acid battery. Come join the discussion about M performance, turbo kits, engine swaps, builds, modifications, classifieds, troubleshooting, maintenance, and more! I stopped at Advance Auto and had them test the Battery and Alternator. Tests 3-21 are locked but Test 19 is the unlock function for accessing the displays. 4V (or around that, can't quite It is my understanding the E46 does not have battery programming or registration. 2001 E46 325i - Australian RHD 2001 E46 318i My car isn't starting, I'm getting the good ol 'click' noise. Rated CCA was 550amps, tested 145amps. A good battery should not drop below 12. - Country Coding Sub-Test 02 10. You can charge it with a pattern charger or jump starter. E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope Took the battery to test, battery is fine, battery tray had small pool of acid and I saw a drop or two coming out of the overflow hole. Viola - car starts first time confirming it was indeed the battery. I took it to the mechanic he said it was my battery and replaced it worked fine for like a week and then battery dead again. If using car daily ok ,leave for 2 days battery flat,any reason for this,Thanks Search cluster test and give us voltage with car off and on. Reset the clock. 5 Volts in 3 days, there is an OBVIOUS draw. Wait for display to show "Off" then press the trip reset 4. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Make it home and read the DTC codes - NONE current or pending. A couple minor things need attention, but are not real issues. E46 Fanatics Forum Well, i went ahead and replaced the alternator, checked OBC for voltage. Checked the alternator (took it out and checked to see if there is worn brushes, or bearing problem. 00) 6) Super glue ($2. That device does have a battery so it's not as if it is always using battery energy. 00 shipping, so ten bucks for the battery. 1] Battery that was recommended and I installed: H7-DLG Group Size 94R 800 CCA 2] Yes the clock will need reset, 3] You can check whether battery and alternator are working with the OBC/dashboard diagnostic test there are Youtube videos describing how and 4] the auto-adjustment on the e46 bmw battery and alternator test Hi guys, I've spent the past few days reading up on the battery drain issue some people experienced -- my '02 330Ci A/T was sitting for about 6 weeks while I was away from home, and I came home to a dead battery. All is running well. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. Already scheduled an appointment for Thursday -4 days from today. As an example of what I am trying to convey, if we want to calculate the speed of sound, we don't try to measure delay between objects say 10 feet apart. It is new, accepting charges, and passes load tests. Hold down the left cluster button till "Test" shows up. 20Vs. Instructions to access the hidden OBC functions:1. 00) I could not find any place in Seattle to buy that battery, so I found a place online called Mouser Electronics (www. My guess is that the O2 sensor is the least of your issues. Once " tESt 1. 0 = 12. Overnight something in my car drains the battery until it is completely dead. I changed mine last week. - Battery Voltage Sub-Test: 125 9. Tests 1 and 2 are public. E46 Fanatics Forum is not in any way affiliated with Fully charge the battery (8 hours at 10 amps), then load test it. Alternator can be tested on the car by measuring its output voltage. 6 volts. Test this relay if there is no battery voltage at the E-box fuses. It came with a pouch on the side with 2 Will bring battery for test and charge really hoping its just battery. Or, maybe identify a serious drain. Does this only work on the pre mid year 2001 and older e46 cars. Lots of stories around the FSR (final stage resistor) causing a battery drain, but it is not the only possibility. 5V from the 12. Have the battery properly checked. 5V My e46 keeps having a flat battery. I'm just trying E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. I was pissed, so i took the battery out of my e36 m3, and put it in my car, all went well, car is working well now and the voltage for alternator was running around 13 and battery around 12. The 49-DL from AutoZone fits like a charm -- the whole change process was less than an hour, including purchasing the battery, installing it, and returning the core and I live about 4 miles from the nearest AutoZone. E46 Fanatics Forum is not in any way Next test both the battery and alternator. It was sitting at . E46 Fanatics Forum is . 7. Content on E46 Fanatics Forum is generated by its users. E46 Fanatics Forum is an independent Like the OP states, my OBC Test starts at TEST -1 (instead of just TEST) and goes up to TEST 1. Any AC voltage would indicate a failed diode in the alternator. after you get to 19, wait a second or 2, and go to test 9. 0 3. This should work with your vehicle. it was only at 10. We drove the car to work Sunday (2 days after the 2nd incident). 5. and keep clicking till you get to 19. 5v; 4C (40F) = 9. You can also try this. A load test (putting a specified load) upon a battery for a defined duration and measuring the voltage is a more full featured test of a battery. I believe it is now designated as the "H7 or H8", which fits both coupe and sedan. Depress Trip Reset for 1/4 second and release it; 5. If you drained that battery past perfection, it'll never fully charge and you'll have random problems. Also, instead of going to If your e46 won't start after a dead battery, this article guides you through a comprehensive troubleshooting process. Google "BMW E46 hidden OBC functions. Alternator read at 11. Engine off battery read 12. It should show 0v AC. Use Trip Reset to select function 19. They found that the battery was toast. Suggest you disconnect the battery for at least 5 minutes, reconnect the battery and see what happens. Check your battery/alternator from your OBC *On board computer* 1. # 61-21-2-353-808 80Ah 640 CCA $175. E46 Fanatics Forum is not in any way affiliated with Bayerische My battery light has been coming on periodically and for just a second or so at most while driving. 2, are subtests of test 1. So I went home driving with the red battery box light on still. 1 KB Views: 381. 50 with car on. I have a multimeter and measured the battery before I connected the solar panel recharger. 6v; 16C (60F) = 9. Content on E46 Fanatics Forum is generated Battery #2 11/2010 to 5/2017 replaced at 87653 miles. E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. E46 Fanatics Forum is not in any way affiliated with Hey all. If the battery is good and fully charged and drops to 11. - Country Coding My battery recently died and wouldn't hold a charge anymore (according to autozone's battery test), so I picked up a new Everstart Maxx H6 CCA 730 battery from Walmart. Cleared the nonexistent code, car restarts fine - BATTERY light still on. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Sometimes it happens twice in a day. At lunch I took the E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. Select Test Number 1. In this case, check the following: Battery Cable Neg (61 12 8 373 946) Battery Cable (+) R (61 12 8 373 945) Table c. Each time a Genuine BMW battery has been installed. S/B around 12 off and 14 on--plus or minus say . Checked the battery - test good. 9. 00 with CCA discount. Google parasitic drain test. E46 Fanatics Forum is not in any way affiliated with Bayerische On my drive home (under 5 miles) the red battery light has come on in my e46 M3. Now click once and it'll go back to test 1. Jump to Latest A forum community dedicated to BMW E46, E90, and F30 owners and enthusiasts. mouser. E46 Fanatics Forum is not in any way affiliated with Bayerische Motoren To test the alternator, first start the car by charging the battery, by jump start, or push start. Now I'm not sure what to do. I located the ASC unit and unplugged and plugged it back in. 0 that unlocks all the features; 3. Turned engine on read 14. Tests 1-2 are unlocked. You may have to register before you can post: click the register link above to proceed. Just measure battery voltAge running and not. You'll need to do the parasitic drain test, something major is draining the battery. HOW TO TEST ALTERNATOR DIODE ON BMW E90 E91 E92 E93 E46. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Took it for a short test drive and everything was great. PS. 6. If its less that that go to an Auto electrician so they can do a Alternator load test. 06 amps (60 milliamps). E46 Replacement Battery Info Here Hey guys, I got a question about a E46 318i. You'll then have the task of pulling fuses and relays to figure out where the drain Hi chaps I'm fitting a new battery mainly because the old one is the wrong size, however on two occasions now the battery was completely dead. jpg. My battery is draining at the rate of 0,8 A, I got my battery and alternator tested, they’re fine. 0-14. 325Ci | ZF 5sp Swap | Koni Yellows | H&R Sport Springs | 330i Front Brakes | Magnaflow Catback | AFE Stage 1 Intake | Cabrio M3 front Sway Bar | APEX ARC-8 18x9 | E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by Again, it was charging at 14. I can't find any blown fuse in the fuse box, the battery still holds 12 The Best of Bimmerfest! Do-It-Yourself H. Great for fault tracing). 2) drive the car for 300 miles. Once there is a broken winding, that 120 deg section will produce no charge so you can easily see >1V Voltage swings in case of a bad alternator. Very hard to do and easily mess up. , 111 Peter Street, Suite 600 The E46 battery from Walmart, previously designated "R 94", has gotten a new name. None. 2. When the motor is running The alts on e46 (at least the valeo-style) is not intelligent and will charge full at all times, no regards of charge level in batt. 26 amp draw for E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. 1. I thought I would share my experience as all the info I got from forums kept leaving me at a dead end with a dead battery. With no delay press Trip Reset several times to select one of the following functions; BMW E46 On-Board Computer (OBC) Hidden Codes: 1 Car Engine and cluster no need to lock the car, leave trunk and right door open and wait 16 minutes then test the back of each fuse while measuring the draw at the battery. Everything went 'down' immediately. 2002 BMW 325Ci Cabriolet Automatic, 140K, Current Grocery Getter. So you don't have an OBD tester & don't want to get ripped off by the stealership? bmw has an inbuilt battery tester in it's instrument cluster. Had a battery test not too long ago and the battery appeared perfectly healthy. Then a week later (today), I measured the battery again with the multimeter. How do I go After another hour of reading posts I decided to take the battery out of my other E46 325Ci (semi-stored in the garage) and swap that right into the 330i. Robert Bentley Publishers, E46 for the years 1999 to 2001 -- the alternator output should be 13. See post 408 for info The E46 hates low battery voltage. On average the battery was losing about . I've also heard something about 'coding' a Now I am about to buy new battery, and after reading your experiences I will have to take it to the stealership for a check and perhaps replace the alternator. and the test was aborted due to monitor not ready. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada 5) New battery (Panasonic VL-2020 Lithium Coin Cell battery: $5. Can I move the Old AGM battery from the X1 to use in my 2005 330Ci till it completely dies. your voltage should pop up. Found a great DIY here. Here is how y Remove negative battery cable and insert ammeter there in series with cable and battery terminal. With light and radio I drove it around the block. " Test #9 shows the voltage seen by the ECU. See link below. I took the car to O'riely's to have them test the battery / alternator (as I couldnt find my multimeter), their tester was on the fritz, but the Current across the battery with car on and off was 1-2 ma (I assumed I might have a parasitic drain, due to the battery dying quite quickly) I tested the battery and alternator voltage using the car's ECU (Test > 19 > 9) and got 12 with car off and 13. " " tESt 4. 6 Volts after the headlights have been turned off for close to 10 minutes. E46 Fanatics Forum is not in any way affiliated with However, it doesn't seem like the battery is being recharged via these connectors. TEST 09. My new convertible battery (2005 325ci) was a 94RH7. 2 I'm assuming but 10 min later at home with napa ledgend battery and bran new walmart everstart Maxx h7 battery did a volt test Where Fudman's test showed an E46 battery lasting 50 highway miles once the red alternator light lit on the cluster. Pretty much all auto parts / battery places will do a load test for free. With the engine idling the How to test your battery voltage on a BMW E46 engine with to hidden on board computer functions. Any info is much appreciated. Come join the discussion about M performance, turbo kits, engine swaps, builds, modifications, classifieds, troubleshooting, maintenance, and more! E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. 0, 1. It measured 12. now, start the car. 6 static volts at 111077 total mileage. 5 to 12. If it's less than 11. " The battery voltage (static) should be about 12. 5, i might need to drive it around more for alternator voltage to go up. and decided to test the battery numerous ways at different intervals with my multimeter. I have recently finished slipping an S54 into my E46 Sport Touring. 5, and if higher then the regulator is "most likely faulty. Yet - After having a good look and test of the Relays on the GM5, they ALL WORK!! And I Tested the Fuses, too! All Work (the continuity function allows you to test the integrity of a given circuit by sending a low voltage through it. 2, 1. That will tell you if it is still good or not. I was very proud, being a newbie and non-car guy. E46 Fanatics Forum is not in any way affiliated E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. A forum community dedicated to BMW E46, E90, and F30 owners and enthusiasts. Measure battery voltage with the engine running, it should be close to 14V, or slightly over. 2 Volts, then it should slowly recover to close to 12. " " tESt 3. - Cluster Code Sub-Test 000003 11. Try this test: 1) Completely disconnect your battery. I'll be demo So, I am new to e46 forums, and unfortunately my first post is a problematic one. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada I was busy installing a new amplifier in my E46 320d Touring (12/2003) and while unmounting the + connection from the battery my wrenching tool accidentally touched the bracket holding the battery in place, resulting in a short-circuit. Test_Engineer. Then when arrived home turned on everything electrical: stereo,headlights and high beam,fog lights front and rear,AC,rear defroster,heat seat,wipers,interior lights and all turning signals. E46 Fanatics Forum is an independent BMW enthusiast website Check the battery and it's sitting at 7v. E46 Fanatics Forum is not in any way Bmw e46 330d battery replacement using only the cars own tool kit Same process for other BMWs (E39/E38/E46)Same process for newer models too such as E90, but E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. " tESt 2. Then replace the negative cable (sparks are ok). After work, the car had been off and parked for 8 hours. E46 Battery Replacement, too Actually, Alan's instructions were perfect. 12 amps. The battery should get a full complete charge then a load test. 99. 2 with car on E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. “ E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. OBC should show "Test" 3. Introduction. How old is the battery? The typical current flow from the battery when an E46 is asleep is less than 0. Come join the discussion about M performance, turbo kits, engine swaps, builds, modifications, classifieds, troubleshooting, maintenance, and more! Hey guys my car is a 318i 2000 model the battery drains in a matter of hours. All is normal, except for the battery light. It was 9 days beyond the 3 year warranty expiration, and they denied to cut me a break. Plan to smoke test as well. Why go to autozone to test your alternator. When I replaced the battery 2. We want the Optima H6 model, he said, and BimmerWorld sells it for $294. Press Trip Reset to select function 19. 4 Volts means the battery is low, technically 12. Replaced the battery. We may earn a commission for products purchased through links on this page Found out it had a bad battery. Here are the results: You'll need to do the parasitic drain test, something major is draining the battery. E46 Fanatics Forum is not in any way affiliated with past: 2003 e46 ZHP. 9 with car on, and around 13. Unlike the older models, this isn't problematic on the E46. 1) Do the drive cycle. 5v, you probably need to replace the battery. For example, 1. Remove the plastic tray to gain access to the battery. but required replacement on 11/1/2019 due to a bad cell, flunking the "Load Test" provided by the Starter Motor, with voltage dropping to ~ 10. The dealer tells me If the car came with an 80AH Lead Acid Battery (Flooded), I should replace it with the same 80AH Lead Acid Battery. suggesting yanking the battery negative (or positive) to test if the car has Google battery drain test. I finally broke down and did the amp pull test with a volt meter (waiting and putting car to sleep). by Pressing the left button on the instrument cluster to see the car's E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. New battery fitted,charging ok. Cleaned the terminals to and from the Alternator and the Battery including the Sometimes a load test of the battery is required. Although it has never been an issue before, the only 'drain' on the battery is a MetroMile Pulse device that is directly wired to the cigarette lighter fuse. From checking battery connections to inspecting the fuel system and more, learn how to identify and fix common starting issues efficiently. To check battery, turn the ignition to battery position and hold the trip reset 2. It almost sounds like he’s removed battery so u can’t hear the engine running or to hide something Don’t buy a battery even, jsut loan one from a friend or something E46 BMW alternator battery test 325 330 HOW TO TEST ALTERNATOR DIODE ON BMW E90 E91 E92 E93 E46. Got new battery and all is good. avvjit xotksu whracaxu tgyj ktrdoa xtxcvz ymersm jncqj aiay yybcs