2011 BMW 550 Gran Turismo review

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Checking the pressure
Only check the tire inflation pressure when the tires are cold. This means after driving no more than 1.25 miles/2 km or when the vehicle has been parked for at least 2 hours. When the tires are w ...

Environmental conditions
Say the commands, numbers, and letters smoothly and with normal volume, emphasis, and speed. Always say commands in the language of the voice activation system. When selecting a radio ...

Servotronic
The conceptThe Servotronic varies the steering force required to turn the wheels relative to the vehicle speed. At low speeds, the steering force is strongly assisted, i.e. less force is needed f ...