Question about 2001 BMW 330
You have a direct current drain while the car is parked....a short or stuck relay or something is not shutting down when you turn the car off. This is called a key off parasitic electrical drain.You can test for this with an amp meter.
If everything is normal, you will read less than 35 milliamps, or .035 amps.(one hour after car is turned off) If the current drain is higher than that, you need to find out what is draining your batteries: You can start by pulling fuses until the load goes away. If that doesn't reduce the draw, you need to look for a wire that is corroded or frayed.
Good luck and happy hunting...
Posted on May 23, 2009
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Posted on Jan 02, 2017
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