See also:

Deactivating HDC
Press the button again; the LED goes out. HDC is automatically deactivated above approx. 37 mph/60 km/h. ...

Self-leveling headlights
The self-leveling headlights feature adapts the light distribution to the contours of the road. The light distribution is lowered on hilltops to avoid blinding oncoming traffic and tilted in depr ...

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 ...