THESE PARTS ARE LEGAL FOR USE ONLY IN COMPETITION RACING VEHICLES AS DEFINED UNDER CALIFORNIA LAW, AND ARE NOT LEGAL FOR USE IN ANY OTHER MOTOR VEHICLE. *DISCLAIMER* : If doing refundable core deposit, the turbo model type must be the same otherwise the core will not be accepted for refund.   BMW S63tu (F1X/F8X) Pure Stage 1[ 2011-2017 F-Series Chassis ] Fitment: F06, F10, F12, F13, F85, F86 Features:  Pure Turbos Billet Compressor Wheel Larger and Stronger Turbine Wheel Upgraded Bearing Housing VSR Balanced OEM Housing Engineered and proven to support 750whp+ – NOTE: PRICE IS FOR THE PAIR – THESE PARTS ARE LEGAL FOR USE ONLY IN COMPETITION RACING VEHICLES AS DEFINED UNDER CALIFORNIA LAW, AND ARE NOT LEGAL FOR USE IN ANY OTHER MOTOR VEHICLE.See TERMS AND CONDITIONS for more details. ( DISCLAIMER: PLEASE REMOVE ANY ADDITIONAL ACCESSORIES OR HARDWARE WHEN SENDING CORES )*** OTHERWISE THEY WILL BE DISPOSED OF ***