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-   -   My alternator is on its way out-How do I determine which one to order (http://www.bimmerfest.com/forums/showthread.php?t=658739)

GPDenver 11-17-2012 02:44 PM

My alternator is on its way out-How do I determine which one to order
 
How do I know if I have the 150 amp or 180 amp? I have the water cooled early alternator, but don't know how to determine which one I need to order to have my mechanic install.
Do I decode by vin, or options?

Thanks

wjjklj 11-17-2012 03:26 PM

What are the last 7 digits of your vin. I will do my best to find you the right part number.

745iguy 11-17-2012 04:08 PM

http://www.bimmerfest.com/forums/sho...85&postcount=1
read that, if your car has those options, it has 180amp..

bayerisheteknik 11-18-2012 10:01 AM

if your flagship has steering wheel heater or

active seat for driver and passenger or

seat heating driver and passenger or

seat heating rear or

coolbox or

automatic air conditioning

than you need 180AMP generator

check out this link i used my vehicle as example 2002 745i

http://www.realoem.com/bmw/showparts...53&hg=12&fg=20

sirstopher 11-18-2012 09:02 PM

GP, call the dealer and give them your vin and they can tell you, I had to do the same when replacing mine

bayerisheteknik 11-19-2012 11:06 AM

Quote:

Originally Posted by sirstopher (Post 7202350)
GP, call the dealer and give them your vin and they can tell you, I had to do the same when replacing mine

i wouldnt rely on dealer...ordered mine from dealer by vin number..girlfriend picked it up brought it home and they gave her air cooled instead of h20 cooled...but because they made mistake i wasn't charged 1130+ tax but only 700 instead for the correct alternator

wjjklj 11-19-2012 12:27 PM

Not sure which one you have but I bought a brand new (not rebuilt) Valeo for about $200 online recently. It is air cooled though.

MakaveliFaison 11-19-2012 01:15 PM

You need 180


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