0L Twin-Turbo2021+ BMW M4 I6 3

presents the solution to keep their engines cool

BMW 645Ci V8 (4

For advanced setups using an aftermarket throttle body

BMW S68 Cylinder Sleeves 5464 0L Twin-Turbo2021+ BMW M4 I65150 Xtreme Duty Cylinder Sleeves, also known as cylinder liners, are centrifugally cast, ductile iron cylinder sleeves. Benefits of Engine Sleeving Include: Increased Bore Size: Sleeving your engine gives the opportunity to increase bore size for higher displacement and increased engine capacity, resulting in more power and more torque Increased Strength: Iron sleeves are stronger than alusil when subjected to high power, high stress applications,