BMW TSB #SI B11 05 16
2011 BMW X5
Affected Component: ENGINE (PWS)
- Summary
- Service Action: S63 Engine – Replace Crankcase Vent Connecting Line The crankcase ventilation connection line may deteriorate prematurely causing any of the following: • vacuum leak • various fault codes related to mixture control stored in the DME • customer complaints about rough idle speed • Check Engine Light illumination.