See also:

Integrated key
Press the button on the back of the remote control, arrow 1, and pull out the key, arrow 2. The integrated key fits the following locks: Driver's door. Trunk lid. Storage compartment in t ...

Under the Hood
The 640i is powered by a 315-horsepower, turbocharged 3.0-liter six-cylinder engine. Its peak torque rating is 332 pounds-feet. BMW cites a zero to 60 mph time of 5.5 seconds for both the coupe an ...

Initializing
In rare cases, it may become necessary to initialize the Integral Active Steering. The warning lamp lights up. A Check Control message is displayed. 1. With the engine running, turn the steeri ...