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head gasket coolant flow
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  1. E34 (1989 - 1995)
    I just removed the cylinder head from our 525i (M50) engine. I noticed where the coolant circulates through the head gasket that there is an 1/8" diameter hole for the coolant to go through. However, the opening on the engine block and cylinder head for that same 1/8" hole is about 1/2"...
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