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Service bulletin SI-B11-08-03

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10034667
Published by NHTSA2011-01-03
Manufacturer's numberSI-B11-08-03
Manufacturer's date2010-07-01
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV); ENGINE AND ENGINE COOLING:ENGINE

NHTSA's summary

BMW: OIL SEPARATOR-COLD CLIMATE CONDITIONS. CERTAIN AREAS OF THE US EXPERIENCE EXTREMELY COLD CLIMATE CONDITIONS DURING THE WINTER MONTHS. A SMALL NUMBER OF VEHICLES HAVE EXPERIENCED PROBLEMS RANGING FROM LEAKING OR BROKEN VALVE COVERS TO COMPLETE ENGINE FAILURE. INCLUDE MODELS E39, 46, 53, 60, 83, AND E85. NO MODEL YEARS LISTED. *PE

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Engine, Exhaust and emissions, Crankcase ventilation (PCV)

Vehicles listed
BMW 3 SERIES2010
BMW 3 SERIES2010
BMW 3 SERIES2010
BMW 5 SERIES2011
BMW X3 SAV2009
BMW X52011
BMW Z42010

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
22V1190002022-03-02. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
17V6830002017-10-30. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
SIB-11-03-082011-06-11. Service bulletin. BMW: CRANKCASE PRESSURE DIAGNOSIS AND INFORMATION FOR ALL VEHICLES. *RM UPDATED ON 4/24/2013. *KB