See also:

The concept
The tire inflation pressure is measured in the four mounted tires. The system notifies you if there is a significant loss of pressure in one or more tires. ...

1 Series M
Rather than the single-turbo setup from the 135i, the 1 Series M gets a twin-turbo six-cylinder that's good for 335 hp and 332 pounds-feet of torque. In extreme situations, the 1 Series M can ente ...

Replacing the battery
Replacing the battery 1. Take the integrated key out of the remote control. 2. Push in the catch with the key, arrow 1. 3. Remove the cover of the battery compartment; see arrow 2. 4. Insert ...