xDrive
xDrive is the all-wheel-drive system of your vehicle.
Concerted action by the xDrive and DSC further optimize traction and driving dynamics.
The xDrive all-wheel-drive system variably distributes the drive forces to the front and rear axles as demanded by the driving situation and road surface.
See also:
Display
The Control Display shows how xDrive and Dynamic
Performance Control are distributing the
drive forces.
1. "Vehicle Info"
2. "Torque distribution"
Torque distribution
The ...
Safety
Both the coupe and convertible have front airbags plus side-impact airbags
built into the front seats. As required of all 2012 models sold in the U.S., the
640i has standard antilock brakes and an ...
Roadside Assistance
Service availability
Roadside Assistance can be reached around the
clock in many countries. You can obtain assistance
there in the event of a vehicle breakdown.
Roadside Assistance
The Roadside ...