Exterior

With standard visual cues that come only with the 128i's optional M Sport Package, the 135i has an aggressive front bumper with three large air inlets. Xenon headlights are standard, and they carry a white bordering up top for 2012, mirroring the headlight treatment across most other BMWs. These lights include a string of LEDs embedded in the caps, a visual cue used in the automaker's redesigned 6 Series.

Rather than the 3 Series convertible's folding metal hardtop, the 135i convertible has a fabric soft-top that can open or close in 22 seconds, BMW says. It operates at speeds up to 25 mph.

The 1 Series remains a small car overall, about 2 inches shorter and narrower than a Scion tC. The popular 3 Series coupe, in comparison, measures about 10 inches longer.

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    First aid kit
    The first aid kit is located in a storage compartment on the right side in the cargo area. Some of the articles contained in the first aid pouch have a limited service life. Check the expiration ...

    Functional requirements
    ▷ There are no external sources of interference nearby. ▷ To lock the vehicle, the remote control must be located outside of the vehicle. ▷ The next unlocking and locking cycle ...

    Deactivating/activating DTC Dynamic Traction Control
    Activating the Dynamic Traction Control DTC provides maximum traction on loose ground. Driving stability is limited during acceleration and when driving in bends. Activating DTC Press the butt ...