The E46 BMW M3 is considered by many purists to be the ultimate sports car - a sensational driving machine that needs no additions or subtractions. But don't tell that to aftermarket tuners like Kneißler Autotechnik who recently finished applying the finishing touches to their latest offering for the M3, which includes both major performance modifications and some new styling flavor.
Automobile Magazine has a nice collection of vehicles to look forward to in the next few years, including stars like the Rapide, RDX, and the Skyline GT-R.
fastestm3 on E46Fanatics claims his 2005 M3 with the supercharger has achieved 450 hp rwhp and over 520 rwhp with nitrous -- more than 600 hp at the crankshaft.
By conducting extensive test work on engine dynamometers and practical road tests on public roads and racing circuits, MK has developed its carbon fiber airbox system plus exhaust gas distribution system for the BMW E46 M3 ready for series production. The MK high-performance header was engineered with flow technology on a flow test bench (flow test bed for developing high-performance engines).