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Thread: Fuel Pump upgrade sticky UPDATE

  1. #1
    Join Date
    Jun 2008
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    SF Bay Area
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    Supercharged 850ci

    Fuel Pump upgrade sticky UPDATE

    Want to make everyone aware of the changes I made to fuel pump upgrade thread sticky, the CNT pumps I have used turned out to be pretty poor quality.
    Since the original post I have done a ton more research into fuel pump technology, Walbro utilizes gerotor design vs practically all Chinese pumps use vane design that creates higher internal friction and because they usually utilize sub par quality materials vane pumps fail fairly soon.
    I apologize to anyone that followed my lead and purchased originally recommend CNT racing pumps , if you did, use them till they are dead then go with Walbro GSS340.
    https://www.bimmerforums.com/forum/s...-Pump-Assembly

  2. #2
    Join Date
    Jan 2005
    Location
    Japan
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    54,655
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    11/88 E32 750iL+98 E36M3
    I added the link to this thread in the DIY, as the DIY thread is closed
    Shogun tricks and tips for the E32 series are HERE!

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