The high-revving E92 M3's V8 is good for many things. Putting one under the hood of a 135i, though, might just be the best thing you can do with the old S65 engine. My position on the 1M would be ...

This won’t be your regular long-term test. The BMW 135i you see here is in pristine condition, but it’s not brand new; it arrived at the office with 6354 miles on the clock and the plan is ...

It was off to BMW GB’s workshops in Bracknell this month for the second stage of the 135i upgrade – the BMW Performance suspension kit. In terms of effect on lap time, this ought to be the ...