See also:

Issuing a warning
If the vehicle begins leaving the lane and a lane marking has been detected, the steering wheel begins vibrating. If the turn signal is set before the lane is changed, a warning is not issued. ...

General information
Your vehicle contains advanced technology for the reduction of fuel consumption and emissions. Fuel consumption depends on a number of different factors. The implementation of certain measures, ...

Have maintenance carried out
Have vehicles maintained regularly to achieve optimal vehicle economy and operating life. Have the maintenance carried out by your service center. Please also note the BMW Maintenance System, ...