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Thread: 90 bmw 535i won't start

  1. #1

    Default 90 bmw 535i won't start

    Just did an engine swap-m30 out and another m30 back in.
    Car wouldn't start. Thought it was the starter because I could hear the solenoid click, but then it stopped. I had the starter checked and it was fine. So I thought it was the ignition switch. Made sure I had all tight connections and whoila, the car started. I turned it on and off about four times and after the last time, it hasn't started back since.
    I have headlights. Checked the fuses, nothing blown. Got the battery recharged and still nothing. I retested the battery and ended with a new one. Switched ignitition switches and still nothing.
    Thanx in advance....

  2. #2
    Join Date
    Apr 2005
    Location
    West of Cinci, OH
    Posts
    98

    Default

    Auto-transmission range switch or starter relay?

  3. #3

    Default Hmmmm

    I guess that's about the only thing I haven't checked is the starter relay. I'll look into that next.

  4. #4
    Join Date
    Oct 2004
    Posts
    3,395

    Default

    Check the ground strap, make sure it's tight and secure, or do a voltage drop test, chassis against the engine (front lift hook is best).

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