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      02-15-2013, 02:01 PM   #1
pepsih
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Drives: E90 335i
Join Date: Oct 2011
Location: Long Island

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n52 compression test issue

Today, my brother did a compression test on his E90 325i EU version.
so here are the results.

CYLINDER 1: 15bar(around 220lbs) spark plug clean
CYLINDER 2: 14bar(around 209lbs) spark plug dirty
CYLINDER 3: 15bar(around 220lbs) spark plug little smoked
CYLIDNER 4: 15bar(around 220lbs) spark plug clean
CYLIDNER 5: 14.3bar (around 210 lbs) spark plug clean
CYLIDNER 6: 15bar(around 220lbs) spark plug clean

What should be the correct pressure on the cylinders?
( the engine was preheat before the mesurements)



Cylinder 2





Cylinder 3






Cylinder 5


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