See also:

Changing wheels and tires
Mounting Information on mounting tires Have mounting and balancing performed only by a service center or tire specialist. If this work is not carried out properly, there is the danger of subse ...

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, ...

Under the Hood
The 135i's turbocharged inline-six makes 300 horsepower and 300 pounds-feet of torque. It works through a six-speed manual or BMW's seven-speed dual-clutch automatic. Either car hits 60 mph in abo ...