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Old 11-27-2012, 01:22 PM
boramkiv's Avatar
boramkiv boramkiv is offline
Propellers Up Front
Location: Chesapeake, VA
Join Date: Jan 2011
Posts: 2,007
Mein Auto: Some Bavarian car outside
It depends on what engine you have. A red battery light does equate to early
signs of alternator trouble. I've also noticed that on many BMW's I've seen
as they start to fail they make a high pitch sound. Mine went on my X5 like
two months after I noticed the sound.

It may not happen to all failing alternators. Labor and all was right around
$1200 about four years ago on an M62 4.4i. So expect the same with a V8
and slightly less with the M54. The radiator fan has to be removed on the
eight's, I don't think so on the six's.
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