See also:

The ultimate in personalization: BMW Sport Line and BMW Urban Line make their debut
The exclusive new BMW Sport Line and BMW Urban Line of interior and exterior equipment help to show off the high-tech, dynamic facets of the new BMW 1-Series to best advantage. The BMW Sport Lin ...

Traction
The traction grades, from highest to lowest, are AA, A, B, and C. Those grades represent the tire’s ability to stop on wet pavement as measured under controlled conditions on specified governme ...

M Dynamics
The 1M's dynamics are typical M — balanced and controllable overall. The car enters turns with practically no understeer, and rear traction can be broken loose through both acceleration and lift. ...