BMW TSB #SIB-12-33-14
2012 BMW 320i
Affected Component: ENGINE AND ENGINE COOLING:COOLING SYSTEM
- Summary
- 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