Checking flap of vacuum unit (wastegate valve)

WARNING: This page is about a different car, the 2010 BMW X6, 2009 BMW X6, and 2008 BMW X6. However, it is still accessible from the selected car via links, so may be relevant.

Flap (1) of vacuum unit (wastegate valve) must be open in depressurized state.

Flap (1) of vacuum unit (wastegate valve) must be closed in event of vacuum pressure.

Check shaft on turbine wheel for rotatability.

Fig 1: Identifying Flap Of Vacuum Unit (Wastegate Valve)

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