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Thread: Vacuum leaks

  1. #1
    Unregistered Guest

    Default Vacuum leaks

    What are the most common sources of vacuum leaks in the BMW 535i engine?

  2. #2
    Join Date
    Jan 2004
    Location
    NY
    Posts
    478

    Default

    I had a bunch of cracks on the intake hoses that run from the air filter to the AFM, and from the AFM to the throttle body. I fixed it with JBWeld- not the most elegant solution, but it works and will hold me until I replace all that crap in the next month.

    Custom Turbocharged 1991 535iM - 135k mi.

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