2012 BMW 135IService bulletins
2012 BMW 135I Technical Service Bulletins
104 technical service bulletins (TSBs) are on record for the 2012 BMW 135I. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.
- 10049679Nov 1, 2012Electrical 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.
- 10049439Oct 12, 2012Fuel system, 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.
- 10150334Oct 1, 2012Equipment. "Service Action: CIC - Install Navigation Road Map Database 2013. Before delivering affected vehicles to the customer, the Car Information Computer (CIC) road map database 2013 must be installed onto the CIC internal Hard Disc Drive (HDD). Note: The INITIAL enabling code ""FSC CIC map, N. America 2013 INITIAL"" is necessary to start the installation process and to activate the road map database."
- 10150330Oct 1, 2012Electrical system. "Discharged Battery: Energy Diagnosis Must Be Performed. The electrical system of BMW vehicles has been subject to an ongoing development process over the last few years. This has led to increased demands being placed on the battery. This document covers important information for the dealer on how to handle ""discharged battery"" complaints. A discharged battery can have various causes, most of which do not concern…
← All problems reported for the 2012 BMW 135I
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.