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Cycling ABS Solenoid Valves - Need help

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    #31
    Originally posted by Mastrcruse View Post
    Does someone have an updated visual of the E30 ABS unit and how to activate it by jumping with wires? I need to activate mine. I have hard pedal, front brakes are fully bled but no fluid going out of the ABS unit to the rear brakes. Wanted to try and unstick valves with activating it.
    You have all the info need on this second page of the thread. Remove relays, jump relay NO contacts (connect 87 and 30 together) with wires and jump the valves (1, 3, 5 to the ground).

    I had same issue a year ago when I swapped mc/booster and had the lines disconnected a few months, couldn't apply force to lock wheels even on gravel. I activated pump and valves by jumping wires, multiple times each and then bled and I was ok. I know the valves should be open by default, but they weren't. No issues since.
    1986 325iX
    2006 530xd

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