Parked-car ventilation

See also:

1982: the second generation - four-door, Convertible, Touring and BMW M3, plus the first diesel engine for the sports sedan
The new BMW 3-Series oozed progress and variety out of every pore, as its fresh new design, optimised aerodynamics, improved space and comfort, higher output and additional body and engine variant ...

Ignition off
Automatic transmission: press the Start/Stop button again, and do not press on the brake pedal at the same time. Manual-shift transmission: press the Start/Stop button again, and do not press o ...

Remove unnecessary cargo
Additional weight increases fuel consumption. ...