Bosch vs Valeo alternators

I have a "91 525, manufactured in Dec '90 and need to replace the alternator. The biggest problem is that the car is on the other side of the world currently :( and I will be having my friend take it to a shop to get replaced, I was on bimmerparts and saw

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This alternator only applies to models which came originally came equipped with a Bosch alternator. If equipped with 140 amp Valeo, replacement only available through dealer. Up to production 2/91 (1) 11 28 1 738 605 deflection roller is also required.

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How do you tell the difference between the two manufacturers, and if it is a Valeo, how much would it cost to replace?

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Originally Posted by Wyn

I have a "91 525, manufactured in Dec '90 and need to replace the alternator. The biggest problem is that the car is on the other side of the world currently :( and I will be having my friend take it to a shop to get replaced, I was on bimmerparts and saw

How do you tell the difference between the two manufacturers, and if it is a Valeo, how much would it cost to replace?

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Take a look at this website. http://autoexpress.safeshopper.com/229/cat229.htm?342

Call them with your question. good luck.

glen-sj

I did the swap. It delayed me because no one told me the pulleys were different. Otherwise though, the alternators are the same. I had valeo, went to bosch, so far so good.

Jon how did you fix your diffrrent pully problem? I have the same thing :(


EDIT: Yes I know thread rsurection but no one else as brought it up

I had to buy bosch pulley... call BMA tell them you need alternator pulley they will ask what alternator is on the car tell them bosch.

Any chance u got that part # handy? I only got a BMW part number not a Bosch part number