BMW 5 Series: On the road

 Gasoline engines

B468/B58 Engine The B46/B58 engines have two separate coolant circuits. The coolant in the low-temperature coolant circuit to cool the charge air. The coolant in the high-temperature coolant circuit to cool the engine. The two coolant circuits each have their own expansion tank. Overview of the

 Optional Equipment System

The G30 also features the Optional Equipment System (SAS) control unit which is already familiar and which provides a host of Driver Assistance System functions. Possible functions: Frontal Collision Warning with City Collision Mitigation Daytime Pedestrian Protection Dynamic Brake Control Di