propulsive dynamics transmission

  1. matreyia

    Propulsive Dynamics and xHP question for ANYONE.

    So, it's been almost a year since I got the PD unit and installed xHP...over all the PD unit shifts smooth on the PD stock flash but does jerk/lurch and hesitate when using Stage 3 xHP. Clemens said it was due to power levels but mine was the first with any issue with PD and xHP. I been trying...
    • matreyia
    • Thread
    • 335i e93 automatic n54 pd transmission propulsive dynamics transmission xhp custom shift points
    • Replies: 19
    • Forum: 6AT - ZF6HP
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