The awesome 4,6 liter, 524HP, RS46 Motor.
It turns your M3 into a true world-class sports car.

There are few upgrades that perform as well and as reliably as our RS46 motor conversion for the M3.

We start with a billet crank that is a true work-of-art. We then mate it to 8 H-beam forged con-rods that could easily withstand 15,000 RPM. Our forged pistons use a proprietary low-elongation alloy that allows us to run less than 2/100mm clearance, thus greatly reducing piston slap while maximizing performance.

Each head is then machined and fitted with larger exhaust valves.

Our equal-length stainless steel Tri-Y race headers are built entirely by hand, and boost the torque of the S65 motor. They are then mated to a pair of high-efficiency metal matrix catalytic converters, an x-pipe with resonators, and two distinct exhaust silencers with the traditional RDSport oval tips.