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battery drain

  1. General E46 Forum
    He guys - I’m having a puzzling issue. I recently bought 2004 330ci coupe, and have been having battery problems. Whenever I leave the car parked for more than 12 hrs, the battery is completely drained. So found some information in the forum about running a parasitic drain test, which I...
  2. General E46 Forum
    My 330i recently died overnight a couple times. When doing a parasitic draw test, the culprit turned out to be fuse #41, for the radio. The only modification I have is the BMW AUX input retrofit. My questions are; is the radio itself bad? What else could be causing this battery drain? Also, even...
  3. General E46 Forum
    Hey this is my First BMW that i purchased and im having issues with the battery draining over night. Sometimes it lasts 2-3 days, sometimes a day and some cases very few hours before i have to jump start. Through out the week this is what i tested. When car is on, it puts out 13.9-14 V...
  4. General E46 Forum
    Hello, I have a battery problem: Engine start doesn't succeed after some days staying around. One further day and electronic is dead completely. Measuring Ampere on pattery and pulling fuses shows following: Energy consumption doesn't fall below 0.26A even after some hours when car is locked...
  5. DIY: Do It Yourself
    Hi All, I changed my FSR last weekend and i filmed the process. I ran into a few problems that were not mentioned in the guide i was using so I made this video of my experience start to finish, spark and all! http://youtu.be/HV3B26XPPYQ Hope it helps. :)
  6. General E46 Forum
    Hi, I have a 2000 323i, manual. About two months ago, after a really cold -30ish C night, my car wouldn't start. The battery was really old so I replaced it and the car started fine for around 2 weeks. Then the battery died. I jumped the car and drove it for half an hour to charge it back up...
  7. General E46 Forum
    Hi guys, Well, I got a 323i 2000 that I bought couple of months ago and it has started draining the battery. It actually does it once in a while i could happen every one week or maybe in a month. I thought it was the alternator and it is not because I replaced it for a brand new one. Also the...
  8. General E46 Forum
    So my alternator died on me a few months back decided hay im gonna buy a 200 amp alternator instead of the 120.....why cuz i was gonna throw a audio system in later! but sometimes im driving the battery light flashes for a quick second and go away at complete random......i check the voltage the...
  9. General E46 Forum
    2006 330Ci Cabrio, 68,000 miles or so. Been installing a new sound system and spend a long time tweeking with the key in ACC. Batt dead, charged, dead, stc. over a couple days. On the Monday before Thanksgiving, I bought a new Sears DieHard Advanced Gold (AGM, top of their lines) battery...
  10. General E46 Forum
    Hello. I've had issues with my battery dying over night. I own a 00' 328i. 113kmiles. I've owned it for 10k miles. Ever since I've owned it, the battery has died on me every 3-4 or 5-7 months. I replaced the battery in the beginning after it happend the first time and the problem went away for 6...
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