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Thread: MHD link- Bad HPFP?

  1. #1
    Join Date
    May 2019
    Location
    Cda idaho
    Posts
    8
    My Cars
    2011 335i sedan

    MHD link- Bad HPFP?

    Run on my 2011 335i just flashed to MHD stage 1 91 octane. now my fuel pressure is really fluctuating and car goes lean when it does. lots of timing corrections where the psi drops. This is proof my HPFP is toast right? Or could my LPFP be the problem? Thanks guys.

    https://datazap.me/u/erzenble/2011-3...38&tmax=100.70
    Last edited by Erzenble; 05-20-2019 at 07:37 PM.

  2. #2
    Join Date
    May 2019
    Location
    Cda idaho
    Posts
    8
    My Cars
    2011 335i sedan
    Really want to confirm before i spend 500. Anyone?

  3. #3
    Join Date
    Dec 2013
    Location
    Redmond, OR
    Posts
    111
    My Cars
    96 328IS, 08 IB E92 M3
    Do you have any DME codes being registered? Any of the other HPFP usual symptoms?
    Anthony Bartolini
    Loki Motorsports
    -2008 A30 E92 M3 6MT-
    -1996 328is Drift Car-
    Stock Internal M52
    M50 Manifold
    PTE 6262, ARP's, .140 MLS
    OBX T4 Top Mount
    Tial 44mm MVR
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    Open Dump Love <3

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