Bmw vehicle: N54 turbocharger waste gate control noises and operation

Bulletin number

SIB-11-14-07

Component

Engine and engine cooling: engine: gasoline: turbo/supercharger

Summary

Bmw vehicle: n54 turbocharger waste gate control noises and operation. After turning off engine, a slight rattle noise is heard from the engine compartment. This noise is similar to a mechanical typewriter. In addition, the complaints of a slight reduction of power similar to an increased turbo lag. The vacuum supply to the waste gates may be restricted or blocked. No model years listed.

Owners of these vehicles have filed 144 complaints in the engine category.