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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    Malfunction
    HDC is temporarily unavailable in the following situations due to a high brake temperature: ▷ The LED in the button and the display HDC go out during HDC operation. ▷ The LED in the ...

    Pairing and connecting
    Pairing the mobile phone To avoid becoming distracted and posing an unnecessary hazard both to your own vehicle's occupants and to other road users, only pair the mobile phone while the vehicl ...

    Steering wheel
    Adjustments Do not adjust the steering wheel position while the car is in motion; otherwise, there is a risk of an accident due to unexpected movement. 1.  Fold the lever down. 2.  M ...