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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    Buttons at a glance
    1 System on/off, interrupt 2 Resume speed 3 Store speed* 4 Reduce distance 5 Store, maintain/change speed 6 Increase distance ...

    Entering a phone number
    Dialing a number 1. "Telephone" 2. "Dial number" 3. Select the digits individually. 4. Select the symbol. Dialing a number The phone number can also be entered by voice. ...

    Managing the favorites
    Activating/deactivating the favorites Favorites can be activated and deactivated globally and individually. 1. "Satellite radio" 2. "Manage favorites" 3. Select "Activa ...