See also:

Closing the windows and glass sunroof/panoramic glass sunroof
Driving with the glass sunroof/panoramic glass sunroof and windows open results in increased air resistance and raises fuel consumption. ...

Interior
The 135i's interior design is fairly traditional, with more upright shapes than sweeping contours. Dual-zone climate controls sit below the center air vents and optional navigation system, with BM ...

Washer fluid reservoir
Adding washer fluid Only add washer fluid when the engine is cool, and then close the cover completely to avoid contact between the washer fluid and hot engine parts. Otherwise, there is ...