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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 ...

Run-flat tires
The symbol identifying run-flat tires is a circle with the letters RSC on the sidewall. Run-flat tires comprise a conditionally self-supporting tire and a special rim. The reinforcement in the ...

Opening the main menu
Press the button. The main menu is displayed. All iDrive functions can be called up via the main menu. ...