Vehicle Overview

The rear-wheel-drive BMW 1 Series enters its fifth year on the market with a few visual changes, as well as a new higher-performance version from BMW's M division, dubbed the 1 Series M. Above the entry-level 128i is the 135i, whose compact dimensions and two-door layout give it few genuine competitors. The car comes as a coupe or convertible; shoppers might cross-shop the 135i with the Nissan 370Z, Infiniti G37 coupe or top-end versions of Detroit's muscle cars.

The 128i is covered separately in Cars.com's Research section.

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    Activating/deactivating the systemmanually
    Using the button Press the button. ► LED comes on: Auto Start Stop function is deactivated. The engine is started during an automatic engine stop. The engine can only be stopped or ...

    Software Update
    The vehicle supports various external devices depending on the current software version. With a software update, the vehicle can support new cell phones or new external device, for example. The ...

    The concept
    iDrive integrates the functions of a large number of switches. This allows these functions to be operated from a single central position. Make entries only when traffic and road conditions per ...