See also:

2012 BMW 3 Series Sedan: First Look
Competes with: Mercedes-Benz C-Class, Infiniti G37, Audi A4 Looks like: A little bit bigger outside, just a teensy bit bigger inside Drivetrain: 240-hp, 2.0-liter twin-turbocharged inline-four cylin ...

Airbags
Airbags 1 Front airbag, driver 2 Front airbag, front passenger 3 Head airbag 4 Side airbag 5 Knee airbags ...

Knee airbag
The knee airbag supports the legs in a frontal impact. ...