See also:

Contacts
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Switch off the engine during longer stops
Switch off the engine during longer stops, e.g., at traffic lights, railroad crossings or in traffic congestion. Fuel savings are achieved after the vehicle is switched off for only approx. 4 s ...

Driving stability control systems
Your BMW has a number of systems that help to maintain the vehicle's stability even in adverse driving conditions. Antilock Brake System ABSABS prevents locking of the wheels during braking. Sa ...