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Thread: No compression
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Old 09-06-2012, 05:55 PM   #14
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Join Date: Sep 2011
Location: CO
Posts: 244
My Ride: 330Xi
Low compression has nothing to due with the fuel pump. Remove the intake manifold and take a look at the affected cylinder. When compression is checked, the fuel injectors should be disconnected, so as not to alter the compression readings.
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