See also:

1 Series M
Rather than the single-turbo setup from the 135i, the 1 Series M gets a twin-turbo six-cylinder that's good for 335 hp and 332 pounds-feet of torque. In extreme situations, the 1 Series M can ente ...

Brake assistant
When you apply the brakes rapidly, this system automatically produces the maximum braking force boost. It thus helps to achieve the shortest possible braking distance during full braking. This ...

Important parts of the engine compartment
1.  Expansion tank for coolant, 2.  Washer fluid filler neck for headlamp cleaning system and window washer system, 3.  Jump-starting connection, 4.  Fluid filler neck for e ...