Paddle Screamer: The new M3 convertible isn't one for purists, but it does mark the debut of BMW's new twin-clutch gearbox, and that's got even more appeal

摘要

Wth the BMW M3's roof down, you can hear the V8 scream. You can also listen to it warble, blat, burble, fizz, hum and zing. You'll hear the V8 in a closed M3 too, but not with the fidelity and repertoire that you're serenaded with when there's no roof between you and the aural action. This is a reason to seriously consider a roofless M3, although a ￡55k price tag and an all-up weight of 1885kg - 230kg more than the closed car - are serious reasons not to consider it as well. More of the weight later. What we're also testing here is an option that the more committed driver, the one who appreciates the minor weight savings that stem from having a lightweight carbon roof or a couple of throttle maps to choose from, might enjoy. And that is the latest version of BMW's paddle-shift manual gearbox. This fourth-generation 'box has been renamed M DCT Drivelogic in recognition of a double-clutch transmission that allows no interruption in the torque flow when gears are shifted.