Horsepower Rating: 1

or street builds

leading to poor performance and difficulty in gear shifting

All ARP bolts

designed for BMW M20B23

BMW S63 Billet Intake Manifolds for F1X M5 M6 640ix Horsepower Rating: 1The RK Autowerks S63 Billet Port Injection Intake Manifold for F1X M5 and M6 models is engineered for high performance BMW builds that require integrated port injection capability. Machined in house on 4 axis CNC mill and developed using advanced 3D laser scanning and rapid prototyping, this billet manifold delivers superior fitment, durability, and performance potential for turbocharged S63 applications. Constructed from high grade billet aluminum,