02-19-2013, 04:10 AM
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#112
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Registered User
Join Date: Nov 2011
Location: cyprus
Posts: 49
My Ride: 318 auto n42
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Quote:
Originally Posted by Sixracer
Sounds like the voltage regulator getting ready to go. My car had similar intermittent battery light until I accelerated hard one day and it stayed on. Luckily I was close to home. If mechanic replaced the regulator you should be ok. You probably won't see a battery light again.
Only other thing to check would be to make sure the ground and battery cables are tight. Mechanic likely did this though.
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six racer thanks we had the regulator replaced and all so far after a day, but he gave me the old regulator and the box of the new one, and the part numbers don't tally!  basically the old one stamped F 00M 145 285 that cross refs with part number 12317523059 on the realoem site looks like it is for use with 120/140a alternators but correct me if i am wrong please anyone as I am not sure I am reading the realoem table correct
http://www.realoem.com/bmw/showparts...48&hg=12&fg=22
BUT the one he replaced it with is for use on a 150a alternator
Voltage regulator 150A 1 04/2002 part number 12317540656
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