Service bulletins for the 2012 BMW 135i
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.
104 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
| SIB-17-02-09 | 2013-11-08. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL. BMW: OIL LEAKS FROM THE AIR HOSE ON TURBOCHARGER. THIS IS DESIGNATED FOR E70, AND E90 MODELS WITH M57Y DIESEL ENGINES. SERVICE ENGINE SOON LAMP MAY BE ILLUMINATED. *KB |
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| SIB-61-07-13 | 2013-11-01. Service bulletin. STRUCTURE:BODY:TRUNK LID; STRUCTURE:BODY. BMW: CORRSION PROTECTION IS INSUFFICIENT ON THE OUTSIDE OF THE TRUNK AROUND THE BATTERY CONNECTOR WHICH COULD LEAD TO CORROSION OF THE BODY. *KB UPDATED 11/1/13. *PE |
| SIB-12-18-12 | 2013-01-18. Service bulletin. ELECTRICAL SYSTEM; ENGINE. BMW: IF BSD COMMUNICATION IS DISRUPTED, OIL LEVEL SENSOR DATA IS NO LONGER RECEIVED BY DME. BSD COMMUNICATION FAULT(S), AFTER REPAIRS ARE SHORTLY SET, REQUIRES REMOVAL OF IGNITION HARNESS FROM CYLINDER HEAD COVER. ALL MODELS. NO MODEL YEARS LISTED. *PE |
| SB-1214 | 2013-01-16. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE. BMW: VEHICLES NEEDS DIAGNOSING FOR N63 MISFIRE FAULTS WHEN SERVICE ENGINE SOON LAMP IS ILLUMINATED. LACK OF DIAGNOSING ENGINE OR FUEL SYSTEM COULD CAUSE INCORRECT DIAGNOSIS AND REPEATED REPAIR ATTEMPTS. NO MODELS OR MODEL YEARS LISTED. *PE |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.