See also:

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 ...

Tone
Only treble and bass can be set in the rear. The settings are made separately for the left and right headphones. Operation is the same as for the front tone. ...

Airbags
Airbags 1 Front airbag, driver 2 Front airbag, front passenger 3 Head airbag 4 Side airbag 5 Knee airbags ...