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Thread: E46 M3 Alternator Upgrade?

  1. #1
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    E46 M3 Alternator Upgrade?

    Need an alternator in my 04 M3. Would like to upgrade from the factory 120. Any suggestions.IMG_3537 copy.jpg
    Has Dinan supercharger and also a sound system.

  2. #2
    MauiM3Mania's Avatar
    MauiM3Mania is offline Observer/Master Skeptic Moderator
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    Moved from the General BMW Discussion.

    How much power does your sound system require?
    04M3 TiAg 69k slick-top 3 pedal
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  3. #3
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    Not sure exactly. 2 8 inch subs is all though.

  4. #4
    dworthy's Avatar
    dworthy is offline Wagon meister :) BMW Tech Expert
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    Subs meaning 2 or more? What size of a amp do you plan on using to push them?

    The good thing about having the battery in the trunk is you already have a large gauge wire running from the front.
    Last edited by dworthy; 04-01-2019 at 05:12 AM.
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