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p1531

  1. P1531 mystery code? Help!

    E39 M5 and E52 Z8 Discussion
    The short version: I'm getting code P1531 ("B" Camshaft Position Actuator Control Open Circuit Bank 1, which I believe to be the exhaust cam on the passenger's side on my LHD 2000 M5.) I have replaced the relevant CPS and refurbished the VANOS solenoid pack, and while some symptoms were...
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