See also:

Wheel/tire damage
Due to low-profile tires, please note that wheels, tires and suspension parts are more susceptible to road hazard and consequential damages. Inspect your tires often for damage, foreign objects ...

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 carr ...

Twin-scroll turbocharging
The new four-cylinder engines also feature twin-scroll turbocharging. This means that the exhaust stream from cylinders 1 and 4, and the exhaust stream from cylinders 2 and 3, follow separate spir ...