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post #21 of (permalink) Old 11-08-2012, 04:28 PM
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Join Date: Feb 2005
Location: Dallas
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Originally Posted by bmw330ciandr6 View Post
Disconnect the coils, and pull the fuel pump fuse.

And a compression test on these cars shouldn't take more than 30 minutes at the MOST.
Genius! I still like leakdown better and it takes about the same amount of time.

PS only very slight problem is injectors might still open and let out residual fuel pressure - I don't recall if the fuse also disables the injectors and pump. Plus, a non-Elilse tech will have to take time to find and read the electrical schematics.

Anyway, it is clearly under an hour tech time to do either compression or leak down and I don't think BOTH are necessary.
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