Under the Hood

The 135i's turbocharged inline-six makes 300 horsepower and 300 pounds-feet of torque. It works through a six-speed manual or BMW's seven-speed dual-clutch automatic. Either car hits 60 mph in about 5 seconds, BMW says. The M Sport Package adds a sport-tuned suspension with high-performance, six-piston front and two-piston rear brakes.

If that seems like too much, consider stepping down to the 230-hp, normally aspirated 128i, which is covered separately in the Cars.com Research section.

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    Instrument lighting
    Adjusting The parking lamps or low beams must be switched on to adjust the brightness. Adjust the brightness using the thumbwheel. ...

    Changing between panels
    After a menu item is selected, e.g., "Radio", a new panel is displayed. Panels can overlap. ► Move the controller to the left. The current panel is closed and the previous panel ...

    The concept
    Adaptive Drive reduces the body roll which occurs when cornering quickly or during fast evasive maneuvers. In addition, Adaptive Drive reduces the steering angle requirement, improves the runn ...