Question about 2001 BMW 330
Unhook your car battery for about a half hour. hook it back up and see if the lights are off now. all the codes should reset, drive the car over to autozone and have them test the charging system to see that it is operating correctly. also if your radio is of the anti-theft variety make sure you know the code to activate it and how to enter it.
Posted on Oct 06, 2009
i have a 2001 bmw 330ci (manual) and THE EXACT SAME THING happened to me today... i practically floored it on a ramp (2nd gear soon after start-up) and my battery light turned on. after driving for a few minutes the battery light went off and all other lights went NUTS... on off.
i got to work fine, but the car wouldn't start at the end of the day; dead battery. i got a jump from a buddy and by the time i reached home (w/ warning lights going nuts) the battery was charged enough to start the car a few times.
i noticed that while driving (i.e.engaged gear), my stereo system would become lower quality (karmon bulshit) and the seat heater would not work! when at the lights (static) , they do work... strange.
initially i had thought it is either the battery or the alternator. after hearing your story i am starting to suspect its the alternator. output should be ~13V when engine is running, so that is what i'm going to check tomarrow.
i hope you have already resolved your problem, and if so, please advise :)
Posted on Apr 23, 2010
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Posted on Jan 02, 2017
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