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fuel pump relay

  1. Battery died - now engine won't fire

    E39 M5 and E52 Z8 Discussion
    Familiar story: I left the lights on all day at work and found my M5 unable to turn over. I proceeded to jump start it via connection in the trunk but in the process some sparks flew and "something" blew/went out. I say this because when the sparks flew the lights in the trunk went out. I...