This is a head-to-head battle we've been waiting to see: BMW's new M3 versus a Dinan-tuned 335i coupe. But we're only going to talk numbers and let the video tell the tale.
The BMW 335i has proven itself as a credible player in the sports coupe segment, particularly with a tweaked ECU to extract maximum output from its twin-turbo'd 3.0-liter inline-six. Dinan announced its Stage 3 package a few months back, which includes a fully-adjustable suspension and a handful of engine mods that bring output up to 406 hp and a kidney-punishing 460 lb.-ft. of torque (at 4,300 RPM). But it doesn't come cheap. All the necessary Dinan kit to get it up to Stage 3 spec (and get that nifty badge on the boot) costs around $14,000. But compared to the