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 ...

Prices shown for the used 2011 BMW 1 Series Convertible 2D 135I with NaN miles are what people paid to buy this vehicle or what people received when trading in this vehicle at a dealer. Edit options.

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 ...