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Thread: Replaced alternator

  1. #1
    Join Date
    Sep 2006
    Location
    Colorado
    Posts
    143

    Default Replaced alternator

    Wow is all I can say. I just upgraded my alternator from a remanufactured 80amp unit with a used 140 amp... like night and day.

    My 80 amp used to whine and jsut seemed underpowered. The 140 is silent and my idle is much smoother..

    Best upgrade I have done yet..

  2. #2
    Join Date
    Aug 2005
    Location
    West Portland, OR
    Posts
    1,435

    Default

    Now I'm interested. Mine is dying, and my lights everywhere are a little 'fadey' sometimes. especially right when you press the gas, then they get bright lol... POS.

    How much did this cost you?
    EuroLux:. Private Detail
    E34 1/'89 ///M20 2.5i: Lachsilber

  3. #3
    Join Date
    Jul 2006
    Location
    Key West, Fl.
    Posts
    26

    Default

    Changing fron 80 amp to 140 amp, cool, but what do you have to do to change amperage? Bentley says NO, but I gotta do something ASAP. Would like to bumu up to 140amps , but what's the process in incressing amps?

  4. #4
    Join Date
    Mar 2006
    Location
    Derbyshire, UK
    Posts
    872

    Default

    Quote Originally Posted by COT1
    but what's the process in incressing amps?
    Change from the 80 watt alternator to an 140 watt alternator. No other changes needed.

    1997 535i V8
    5spd, OBC, A/C, cruise, BMW phone, factory M-Tech wheel & suspension, 18" Alpinas

  5. #5
    Join Date
    Jul 2006
    Location
    Key West, Fl.
    Posts
    26

    Default

    DaveVoorhis, You mean all I gotta do is turne a few bolts and swap alt's then it will be done. Thanks ror info.

  6. #6
    Join Date
    Mar 2006
    Location
    Derbyshire, UK
    Posts
    872

    Default

    Yes, that's it.

    1997 535i V8
    5spd, OBC, A/C, cruise, BMW phone, factory M-Tech wheel & suspension, 18" Alpinas

  7. #7
    Join Date
    Sep 2006
    Location
    Colorado
    Posts
    143

    Default

    I got a used one locally for $80. Figured that was a pretty good deal.

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