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Re: PCV Crankcase Ventilation Measurement Specification
Posted to Technical Discussion Forum on 4/10/2018 1 Reply

Victor,

The N55 engines can have 20 in/h20 normal crankcase vacuum. For example there is a chart for BMW engines at this location in Alldata. I have one on the wall.

2011 BMW 535i xDrive GT AWD (F07)

L6-3.0L Turbo (N55)

Crankcase Ventilation System Diag... Login to read more.

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