it’s now fashionable to cover a BMW in as many M badges as possible. Back then, the M division was more distinct, with non-M BMWs relying on their natural elegance. The E46 Convertible is still ...

but BMW arguably started the genre when it slotted the 3-litre diesel mill into the facelifted E46 and created a popular, sporting yet frugal, diesel convertible. Since then, several manufacturers ...