Use coasting conditions
When approaching a red light, take your foot off the accelerator and let the vehicle coast to a halt.
On a downhill gradient, take your foot off the accelerator and let the vehicle roll.
The flow of fuel is interrupted while coasting.
See also:
Opening and closing: from the inside
Opening and closing: from the inside ...
Activation/deactivation
Press the button. ...
Owner's Manual for Vehicle
Thank you for choosing a BMW.
The more familiar you are with your vehicle, the better control you
will have on the road. We therefore strongly suggest:
Read this Owner's Manual before starting off ...