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Old 11-27-2012, 01:59 PM
JNMNL52 JNMNL52 is offline
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Location: Woodbridge, Virginia
Join Date: Aug 2012
Posts: 188
Mein Auto: 2006 X-5 / 2014 X-5
Originally Posted by boramkiv View Post
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.
Thanks for the information. I have a N62 4.4i engine. I will keep monitoring it and making preparations for repair. My indy wants $700 for a new alternator at 3.5 hrs labor ($102.00 per hour = $357.00). So he is coming in at $1,057. I found a new VALEO 170 amp alternator at Pelican for $423.75 so I can get some savings there.

Is 3.5 hours labor reasonable for an E53 alternator change?
Does the radiator need to be removed?
Does it makes sense to replace the two drive belts during the replacement as a preventive measure being they are right there?
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