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: Cooling system are shown. Show all
| SIB-12-33-14 | 2015-09-26. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. BMW: DUE TO TRANSMISSION OIL HEAT EXCHANGER'S FAULTY THERMOSTAT OR ENGINE FAULTY CHARACTERISTIC MAP THERMOSTAT, ENGINE COOLANT FAILS TO REACH OPERATING TEMPERATURE, WITH LOW HEAT OUTPUT AND SERVICE ENGINE SOON LIGHT COMES ON. NO MODEL YEARS LISTED. *PE |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.