See also:

Interior
The 135i's interior design is fairly traditional, with more upright shapes than sweeping contours. Dual-zone climate controls sit below the center air vents and optional navigation system, with BM ...

Switching off automatically
System switches off: above approx. 9 mph/ 15 km/h. Switch on the system again if necessary. ...

Folding down head restraints
Extending/retracting head restraint Only fold down head restraint if no passengers are in the rear. Fold out retracted headrests again if passengers are being carried in the rear; otherwise, ...