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Thread: Bosch vs Valeo alternators

  1. #1
    Join Date
    Mar 2004
    Location
    Appleton, WI
    Posts
    169

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

  2. #2
    Join Date
    Jan 2004
    Posts
    158

    Default

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

    Call them with your question. good luck.

    glen-sj

  3. #3
    Join Date
    Dec 2003
    Location
    PA
    Posts
    5,403

    Default

    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.

  4. #4
    Join Date
    Oct 2005
    Location
    Calgary, AB
    Posts
    275

    Default

    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

  5. #5
    Join Date
    Dec 2003
    Location
    PA
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    5,403

    Default

    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.

  6. #6
    Join Date
    Oct 2005
    Location
    Calgary, AB
    Posts
    275

    Default

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

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