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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    Configuring the devices
    Additional functions can be activated or deactivated for paired and connected devices. 1. "Telephone" 2. "Bluetooth® (phone)" 3. Highlight the device to be configured. 4. Ope ...

    Switching the system on/off
    Press the left or right side of the button on the CD/DVD player in the rear for the respective page. Rear entertainment and screens are switched on/off. After switching off the ignition, ...

    Adjusting electrically
    Adjusting electrically 1. Forward/backward 2. Height 3. Seat tilt Backrest 4. Backrest Differs depending on seat: Differs depending on seat 1. Backrest 2. Height Additional depending o ...