It's a clear downgrade from the F20-gen M135i and M140i, with the latter packing a 335-horse version of the B58 inline-six mill. Referred to by Daniel Abt as the M135i, the model in the attached ...
The exception is the latest performance range-topper, the M135i xDrive, and as you can probably guess from the name, all four wheels are driven. Effectively, the M135i shares its powertrain with ...