HARTGE has just released a new aerodynamics kit for the new BMW M3 Convertible. Included is a front lip spoiler with carbon add-ons, bootlid lip, rear diffuser, side sills, and carbon casing for mirrors. No details on what kind of mechanical tweaks are in store but because the guts are the same as the 2009 BMW M3 Coupe, we can assume that you can still get the electronic speed limiter removed or raised upwards. As more detailed emerge we will keep you posted…