Triple Groove Valve Design

Whether you’re chasing podiums at the track or pushing your engine to the limit on the street

2022-Present     U11     sDrive18i / xDrive20i / xDrive28i / M35i

Engine builder must adjust the valve lash accordingly

Piston Dome Coating G09 Triple Groove Valve DesignBenefits of Piston Dome Coating: Improved Heat ResistanceReflects combustion heat away from the piston, protecting the dome from thermal damage in high compression or forced induction engines. Reduced Carbon Build UpHelps minimize carbon deposits on the piston crown, keeping the combustion chamber cleaner and more efficient over time. Lower Operating TemperaturesPromotes better thermal management by reducing the amount of heat absorbed by the piston,