See also:

Tachometer
Always avoid engine speeds in the red warning field. In this range, the fuel supply is interrupted to protect the engine. ...

Instrument cluster
1.Speedometer 135i: with fuel gauge 2.  Indicator lamps for turn signals 3.  Indicator and warning lamps 4.  Tachometer 5.  Fuel gauge 135i: engine oil temperature 6.  ...

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 ...