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M30 Has spark and fuel, but wont start

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    M30 Has spark and fuel, but wont start

    Okay so here is my situation. My dad had a 1989 535i, fairly low miles but the body was rough and it was an auto. We found a 91 535i with a 5 speed and no engine for $700.
    So we have been in the process of swaping the m30 out of the 89 in to the 91. Now its in and hooked up except for the exhaust. But it wont fire up, it just cranks over. I pulled a spark plug and checked for spark, and it had a spark, and i have fuel pressure at the line where it hooks up to the engine, and it has fuel coming to it. Any ideas what it can be? i checked the cps and it was with in spec.
    Can i check the injectors? they worked before we pulled it. let me know what i can look for

    thanks!
    Feedback
    http://www.r3vlimited.com/board/showthread.php?t=270560

    #2
    Fuel supply and return lines mixed up?

    If you are getting spark/fuel, the CPS is fine. Did you disassemble any part of the engine? Timing off perhaps?

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      #3
      I was able to get it figured out. I changed the fuel filter and that seemed to be the problem. Thanks for your help though!
      Feedback
      http://www.r3vlimited.com/board/showthread.php?t=270560

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