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E46 M3 (2001-2006)

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Old 03-23-2017, 11:34 AM
naineshikon naineshikon is offline
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Location: Raleigh, NC
Join Date: Mar 2017
Posts: 1
Mein Auto: BMW M3 & BMW 330i
BMW M3 start up problem

Hello everyone. This is my first post to the forum. I'm sure it'll get resolved here. I own a 02 m3 and its my daily driver. I'm having to jump start the car practically every day. It has a new starter, alternator and battery that has been replaced within last 2 years. I'm not able to figure out what could be the problem. I've had auto zone check the battery. Its showing battery is good but only 45% charge. Something is draining the battery which they are not able to figure out. I do have a cassette that's been stuck in the on screen system since last 4 years. Would that be the problem? Any suggestions on what i should be looking for. I'd really appreciate any help in this matter.
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Old 03-25-2017, 11:51 PM
Alika808 Alika808 is offline
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Location: 21 18' N, 157 51' W
Join Date: Feb 2013
Posts: 1,779
Mein Auto: X5/330/Range Rover HSE
Could be, try to remove the fuse for the radio. Fully charge the battery using a charge and observe overnight if the battery losing charge. Check the battery using multimeter after fully charge then check again the next day. Sometimes battery will going bad after 2 years.
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Old 06-07-2017, 12:16 PM
ch3z ch3z is offline
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Location: MI, USA
Join Date: Jun 2017
Posts: 1
Mein Auto: E46M3, E93328i
hello, naine,
I suffer the same problem before, then this problem came out by the clutch failiure. If your car has a SMG, it could because the clutch wear out.
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