Car magazine shot this prototype M135i at the Nurburgring, using its 240kW, 450Nm, twin-turbo three-litre straight six to convert lots of rubber into lots of blue smoke.
Car magazine shot this prototype M135i at the Nurburgring, using its 240kW, 450Nm, twin-turbo three-litre straight six to convert lots of rubber into lots of blue smoke.