Service bulletins for the 2012 BMW 335i
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.
592 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Fuel injection are shown. Show all
| B011715 | 2018-12-10. Service bulletin. FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS; EQUIPMENT ADAPTIVE/MOBILITY. "SI B01 17 15 January 2016 Warranties. This Service Information bulletin supersedes SI B01 17 15 dated December 2015. designates changes to this revision SUBJECT N54T Engine Fuel Injectors - Limited Warranty Extension to 10 Years/120,000 Miles . INFORMATION For the above-referenced vehicles, BMW of North America, LLC (""BMW NA"") is extending the limited warranty for the fuel injectors to: 10 years/120,000 miles as determined by the vehicle's original in-service date. This ""component-specific"" limited warranty extension applies to defects in materials and workmanship and is subject to the applicable vehicle and coverage eligibility requirements, exclusions and limitations that apply to the BMW New Vehicle Limited Warranty for Passenger Cars and Light Trucks." |
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| 130514 | 2018-11-13. Service bulletin. FUEL SYSTEM, GASOLINE; FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS. N20 and N26 Injector Replacement. INFORMATION When a defective high-pressure fuel injector is identified with an index "02" designation, as shown in the illustration below, all 4 injectors must be replaced at the same time. This bulletin only applies to index "02" injectors. Index "01" and index "03" or higher are not affected. No immediate repair is required unless the BMW vehicle is currently experiencing this problem. |
| 123814 | 2018-11-13. Service bulletin. FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM; ENGINE. SUBJECT N20, N26, and N55 Engines with Injector Electrical Faults. Any of the following symptoms could occur simultaneously with injector electrical faults stored in the DME: z After the engine is turned off for a short time, it can no longer be started; however, the starter motor turns. z The engine starts but immediately cuts off. z The engine runs erratically or lacks power. z The Service Engine Soon light (MIL) may be on with several poetential faults stored. The DME has malfunctioned due to an internal fault. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.