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Service bulletins for the 2011 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.

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

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Bulletins, newest first
B8403112018-11-05. Service bulletin. EQUIPMENT. "?Telematics Device Spares Replacement Part Activation via DCSnet for BMW Assist What's New: ? Model: All models added along with 6AC option code ? Situation: All information added ? Information: Deleted CDMA related information and added activation of Wi-Fi control unit ? Procedure: Added "Note" regarding ConnectedDrive support hotline information . A replacement telematics control unit must only be activated for vehicles with an active BMW Assist subscription. Note: 2G CDMA and 2G GSM telematics control units cannot be activated because they are no longer supported and the supporting network(s) have been decommissioned. INFORMATION The following changes have taken place: All Telematics control unit replacements must be activated by Part managers via the DCSnet application. New steps included in the procedure for activating Telematics control unit replacements for vehicles equipped with Wi-Fi Hotspot (6WD)."
B1303152018-11-05. Service bulletin. FUEL SYSTEM, GASOLINE. ?N20, N26, N55, N63TU, S63TU and S55 Engines: Bosch Injector ETK Part Number Error What's New: ? Identifying the injector type using the ISTA test plan ? Determining the injector part number using the new the parts table. The current version of the ETK incorporates multiple part number errors for the Bosch type injectors. Ordering the injectors by VIN number or manual identification in ETK may result in an incorrect part number.
B1303152018-11-05. Service bulletin. ENGINE AND ENGINE COOLING. N20, N26, N55, N63TU, S63TU and S55 Engines: Bosch Injector ETK Part Number Error What's New: ? Procedure change: indentifying injector type using an ISTA test plan. . The current version of the ETK incorporates multiple part number errors for the Bosch type injectors. Ordering the injectors by VIN number or manual identification in ETK may result in an incorrect part number.
B6507092018-10-09. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). NAVIGATION SYSTEM: REPORTING MISSING OR INCORRECT ROAD MAP DATA: The route guidance is inaccurate and therefore irritating to the customer; or it is not possible to locate certain addresses, for instance:
B6507092018-08-06. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). NAVIGATION SYSTEM: REPORTING MISSING OR INCORRECT ROAD MAP DATA: The route guidance is inaccurate and therefore irritating to the customer; or it is not possible to locate certain addresses, for instance:
B8403142018-07-16. Service bulletin. EQUIPMENT:ELECTRICAL. Bluetooth Connection Failures: There are various connectivity failures with the following devices: Apple iPhones: Samsung S6 and the S6 Edge.
B8402142018-05-14. Service bulletin. ELECTRICAL SYSTEM. ConnectedDrive/BMW Assist System Diagnosis Information
SIB-17-02-092013-11-08. 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
SIB-61-07-132013-11-01. 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-36-02-112011-09-30. Service bulletin. TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS. BMW: CHANGES HAVE BEEN MADE TO THE VEHICLE¿S DISPLAY ELEMENTS OF THE TIRE PRESSURE MONITOR SYSTEM. *RM
SIB-12-01-112011-08-10. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY; ELECTRICAL SYSTEM:SOFTWARE. BMW: THE SERVICE ENGINE SOON LIGHT IS ON WHILE DRIVING. THIS IS A PROGRAMMING ISSUE. *RM UPDATED 1/4/12. *PE UPDATED 4/24/12. *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
SIB-63-02-012011-04-28. Service bulletin. EXTERIOR LIGHTING. BMW: PROCEDURE FOR DETERMINING AND REPLACING INCANDESCENT AND HALOGEN LIGHT BULBS UNDER WARRANTY. *RM

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.