See also:

Adjusting the volume
Adjusting the volume Turn the knob during an announcement. ▷ The volume remains constant even if the volume of other audio sources is changed. ▷ The volume is stored for the remote ...

For US owners only
The transmitter and receiver units comply with part 15 of the FCC/Federal Communication Commission regulations. Operation is governed by the following: FCC ID: ▷ NBG009014A. Compliance ...

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 ...