This KM / H Dial kit is to replace the originally fitted MPH Dials, fitting this will convert the Speedometer needle reading from MPH to KM / H. Max Speed 260 km / h and 7500 RPM (petrol). Fits to F30 F31 F32 F33 F34 F36 F3X. https://dialslab.com/3D-BMW-F3x-dials-From-MPH-to-km-h-conversion-p233599754