See also:

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 ...

Tilt alarm sensor
The tilt of the vehicle is monitored. The alarm system responds in situations such as attempts to steal a wheel or when the car is towed. ...

Antilock Brake System ABS
ABS prevents locking of the wheels during braking. The vehicle remains steerable even during full brake applications, thus increasing active safety. ABS is operational every time you start the e ...