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Old 02-28-2012, 03:46 PM
Spinout Spinout is offline
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Location: York SC
Join Date: Jun 2006
Posts: 91
Mein Auto: '98 540i
Originally Posted by rooster1986 View Post
Iirc, if your compression is low and you add oil directly to the cylinder and it raises the compression then a piston ring is bad.

Sent from my SCH-I110 using Bimmer App
...and then within a short time, you'll compression once again. The teaspoon of oil might be a quick test but it's no permanent fix.
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