See also:

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

New for 2011
A new eight-speed automatic transmission is standard on the 2011 models and replaces a six-speed automatic. The xDrive35i has BMW's new single-turbo 3.0-liter inline six-cylinder (replacing a twin ...

Torsion-resistant body, optimal weight, wide range of safety features
The new BMW Series 1's lightweight body makes it more agile and improves passenger safety, with high-strength steel being used to increase torsion resistance and the strength of the passenger safe ...