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Home >> BMW >> 2011 >> 1M >> Repair and Diagnosis (Single Page) >> General Information >> OEM General Information >> Functional Description - 1-Series >> Engine Performance - Functional Description >> Engine N54 and engine N43 >> System functions >> System protection

System protection

If the temperature of the coolant or of the engine oil becomes excessive during engine operation, certain functions in the vehicle are influenced in such a way that the engine cooling has more energy available.

The measures are divided into 2 operating modes: