R50/R53 :: Hatch Talk (2002-2006) Cooper (R50) and Cooper S (R53) hatchback discussion.

R50/53 Which alternator do I have????

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Old 09-28-2009, 05:55 PM
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Which alternator do I have????

My alternator is dying on my '04 MC...battery light came on today and had it checked at Auto Zone. Apparently, there are 2 versions...105 amp and a 120 amp. With the alt still in the car, I see no identification on the alternator itself. Do I have to tear my car apart and leave it for a few days until my new alt arrives, or is there a way to tell which I have so I can finish the job in one day?

Thanks!
 
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Old 09-28-2009, 06:06 PM
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Old 09-29-2009, 06:43 AM
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Thanks!
 
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Old 09-30-2009, 03:52 PM
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okay, I still have a dilemma. My car was built in 10/03. My alternator looks like the bottom one on realoem.com, but it says that the alt is for cars manufactured after 1/12/04.

I'm confused...
 
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Old 10-01-2009, 04:56 AM
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here's the page for a 10/03 Cooper.
I believe the 105A one is the original Valeo, and the remanufactured
110A Bosch is what they sell after they run out of Valeo units.
You have to buy a new connecting cable also if you get the Bosch.

http://www.realoem.com/bmw/partgrp.d...14&hg=12&fg=20

http://www.realoem.com/bmw/showparts...99&hg=12&fg=20
 
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