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      11-27-2012, 09:31 AM   #3

Drives: AW 135i
Join Date: Aug 2012
Location: Waterford, Mi

Posts: 1,228
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2008 BMW 135i  [2.83]
Originally Posted by kleach18 View Post
Just curious if driving at 140+ for extended periods of time would cause more oil blow thru, or help burn off the carbon that may build up on the intake valves on a N55 motor?
Its more the engine rpm you are running than what speed you are going, the speed is irrelevant. If you are running at a higher rpm than normal there is gonna be more blow by yes. Its probably not gonna help burn carbon off in any way...