While most car enthusiasts will be aware of the M1 and its history, one of the cars that inspired it is far less known: the BMW Turbo concept, which was released six years before the M1.

This car is part of The Arizona Car Week Collection from 911r. This 1988 BMW Alpina B7 Turbo/1 Katalysator, one of just 278 examples produced and among only 42 equipped with a catalytic converter ...

The petrols were all-new for the 2017 model year: first the 3-litre TwinPower Turbo inline-six ... amidships in the futuristic BMW i8 hybrid sports car, and in the 1-series it's good for 134bhp ...