See also:

2011 BMW 1 Series M Review by Joe Wiesenfelder
Based on the BMW 1 Series, the 1 Series M takes its place among M performance versions of the 3, 5 and 6 Series cars and the X5 and X6 SUVs. Though the name "M1" seems a natural, BMW use ...

Removing
The head restraints cannot be removed. ...

The concept
This system issues a warning at speeds above approx. 40 mph/65 km/h if the vehicle is about to leave the lane on roads with lane markings. The steering wheel begins vibrating gently. The syste ...