Autocar has been modifying a BMW M135i for last eight months which made it faster and more powerful than an M2. In this video they explain exactly what work they’ve done to the M135i, then answer the big question: how does it compare to BMW’s own baby M-car?
Tags BMW 1 Series BMW M Series BMW M2 BMW Videos
Check Also
BMW M3 CS Touring Proves Itself The Perfect All Rounder
If you buy a limited-edition performance coupé such as the BMW M4 CS, it’s tempting …