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Service bulletins for the 2010 BMW Z4

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.

161 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Exhaust and emissions are shown. Show all

Bulletins, newest first
B1116152018-12-10. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. N20 and N26 engine: Smoke from Exhaust when Starting a Cold Engine. When starting a cold engine, blue smoke can be seen emitting from the exhaust tailpipe for approximately 10-20 seconds. No turbo charger boost faults are stored and no drivability issues can be detected. CAUSE When the vehicle is parked overnight the engine oil pressure will equalize and may leak past the turbo charger exhaust side turbine seal.
B1116152018-12-10. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER. February 2016 Engine Technical Service This Service Information Bulletin supersedes SI B11 16 15 dated September 2015 SUBJECT N20 and N26 engine: Smoke from Exhaust when Starting a Cold Engine. When starting a cold engine, blue smoke can be seen emitting from the exhaust tailpipe for approximately 10-20 seconds. No turbo charger boost faults are stored and no drivability issues can be detected. CAUSE When the vehicle is parked overnight the engine oil pressure will equalize and may leak past the turbo charger exhaust side turbine seal.
B1116152018-11-05. Service bulletin. ENGINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. ?N20 and N26 engine: Smoke from Exhaust when Starting a Cold Engine. When starting a cold engine, blue smoke can be seen emitting from the exhaust tailpipe for approximately 10-20 seconds. No turbo charger boost faults are stored and no drivability issues can be detected. Engine oil leakage into the induction system and/or the turbo charger assembly.
B1215162018-11-05. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. "VOLUNTARY EMISSIONS RECALL CAMPAIGN 16E-A04: DME - OBD. The DME software calibration for exhaust gas recirculation (EGR) on board diagnosis (OBD) may not function correctly. This would not cause problems with the vehicle emissions, but could cause it not to pass the OBD readiness Inspection/Maintenance test in certain states. ModelTarget Integration levelE89 (Z4)E89X-16-03-502 or higherAFFECTED VEHICLES This Emissions Recall Campaign affects E89 vehicles with the N54 and N54T engines produced February 25, 2009 to August 1, 2011. First check if a Recall Completion Label, SD 92-435 for this campaign is already attached to the underside of the hood on the right (passenger) rear close to the windshield. If the label is present, the Campaign has already been performed and no further action is necessary. Affected vehicles which require this Recall Campaign to be completed will show it as ""Open"" when checked either in AIR, the ""Service Menu"" of DCSnet (Dealer Communication System) or with the Key Reader."
SIB-01-02-122012-08-27. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. BMW: A FAILURE OF THE TURBOCHARGER WASTEGATES, CAUSED BY A DEFECT, HAS AN EMISSIONS EXTENDED WARRANTY, 8 YEARS OR 82,000 MILES, WHICHEVER COMES FIRST, NOT OTHERWISE FALLING WITHIN COVERAGE EXCLUSION. *PE
SIB-13-13-102012-01-06. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. BMW: ON SOME VEHICLES, THE HIGH PRESSURE FUEL PUMP HAS AN INTERNAL COMPONENT THAT MAY FAIL AND CAUSING DRIVABILITY SYMPTOMS SUCH AS ERRATIC ENGINE OPERATION AND LONGER STARTING TIMES. *PE
SIB-11-03-082011-06-11. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV). BMW: CRANKCASE PRESSURE DIAGNOSIS AND INFORMATION FOR ALL VEHICLES. *RM UPDATED ON 4/24/2013. *KB
SI-B11-08-032011-01-03. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV); ENGINE AND ENGINE COOLING:ENGINE. 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 summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.