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      08-19-2021, 02:22 PM   #28
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Drives: E93 N53 Pre-LCI
Join Date: Apr 2019
Location: United Kingdom

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2007 BMW E93  [0.00]
Quote:
Originally Posted by pmorg4 View Post
Walnut blast will benefit all direct injection engines including the N53, as oil vapours from the PCV system will lead to carbon build up. Port injection engines don't suffer this problem as the fuel going through the intake washes off the oil residue before it has a chance to solidify from the heat of the engine.
Brilliant,.good to know.. hopefully this will free up some.power!
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