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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    Width, height
    Width, height 1 Vehicle height without roof-mounted aerial: 56.3 inches/1,430 mm Vehicle height with roof-mounted aerial: 56.7 inches/1,442 mm 2 Vehicle width, without mirrors: 71.3 inches/1,811 ...

    Adjusting the volume
    Turn the knob during an announcement. The volume remains constant even if the volume of other audio sources is changed. The volume is stored for the remote control currently in use. Not ...

    Mounting LATCH child restraint fixing systems
    1. Mount the child restraint fixing system; refer to the operating instructions of the system. 2. Ensure that both LATCH anchors are properly connected. ...