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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    Manual transmission
    Switching off the engine 1. With the vehicle at a standstill, press the Start/Stop button. 2. Shift into first gear or reverse. 3. Set the parking brake. ...

    At a glance
    The concept Mobile phones or other external devices such as audio players can be connected to the vehicle via Bluetooth. After these devices are paired once, they are recognized automatically w ...

    What to do if...
    Only a black screen is visible. Switch on the system. There are no options available on the screen. Switch over between the display screens. Radio stations or TV channels are grayed out ...