N55 Pure Stage 2 Turbo Upgrade
 
Engineered to reach 500+whp.-Utilizes all OEM housings. Appears unmodified stock from the outside.
Upgraded Point-Milled Billet Compressor Wheel
Upgraded HiFlow Turbine Wheel
Dual Compressor Oil Seals, Dual Turbine Oil Seals
Large Diameter 360 Thrust Upgrade
Extensive Turbofold Modifications and Machining
VSR Balanced of course
BMW M2 F87 3.0 BiTurbo