See also:

Sound output
Switching on/off When the ignition is switched off: press ON/OFF button on the radio. Muting When the ignition is switched on or the engine is running: press the ON/OFF button on the radio. ...

Activating/deactivating the system manually
Using the button Press the button. ▷ LED comes on: Auto Start Stop function is deactivated. The engine is started during an automatic engine stop. The engine can only be stopped or st ...

Under the Hood
BMW's inline-six-cylinder engine makes 230 horsepower and 200 pounds-feet of torque in the 128i. It works through a six-speed manual or a six-speed automatic. The automaker says a stick-shift 128i ...