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7 Series - E38 (1995 - 2001)

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Old 03-15-2013, 04:10 PM
jitsjaf2009 jitsjaf2009 is offline
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Location: Hemet, Ca
Join Date: Aug 2012
Posts: 510
Mein Auto: 1995 325i Convertible
Battery Light on CONSTANTLY

I mentioned this in an earlier thread and have followed all instructions. Checked all grounds, cleaned and snugged. Checked positive "jump" post on engine, clean and totally insulated. Alternator puts out requisite 14.4 volts even under load. Went to Auto zone and had them test alternator AND battery, both deemed very good. Borrowed my brother's brand new battery and installed it, no difference. Disconnected battery overnight, reconnected in morning, no change. I left the car set for four days, read the voltage, same as when I parked it, and started right up. Still I have the constant battery light.
Something new has occurred...I replaced all the intake manifold gaskets to eliminate slightly rough idle (less rough now but not smooth). Since then my radio and a/c have quit working, as well as the none-activated telephone. Everything else is great. Love this 1995 740i...but the battery light and now the radio and a/c (as it gets hot here in SoCal.
Any suggestions please.
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Old 03-16-2013, 12:32 PM
speedkingrc speedkingrc is offline
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Location: suffolk Virginia( 7 cities)
Join Date: Jan 2013
Posts: 123
Mein Auto: 88 BMW 735i
check alternator... thats one main problem that will make the battery light stay on... or you have a dead cell in your battery i say replace both and see what happens man
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