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Compression Test:

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    Compression Test:

    Just did a compression test on 88 325is. Numbers are as follows.

    6:170
    5:140
    4:130
    3:155
    2:170
    1:170

    Would this mean a possible bad head gasket?

    #2
    It could be, or it could be bad valves or worn rings. A leak down test will help tell where the problem is.
    The car makes it possible, but the driver makes it happen.
    Jim Levie, Huntsville, AL

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