Designed specifically for the advanced BMW N20 I4 engine, the SuperTech High Performance Valve Kit meets the rigorous demands of high-performance applications, ensuring superior durability and reliability. Engineered by SuperTech, a trusted name among engine builders, these valves deliver exceptional precision and quality. With their innovative design, they optimize power output and enhance engine efficiency, making them the ideal choice for enthusiasts seeking to maximize their vehicle's performance. Factory Valve Spec is 32 mm Intake / 28 mm Exhaust Kit Contents: (8) Intake Valves (8) Exhaust Valves BMW N20 Applications: 1 Series 2011-2015 F20/F21 116i / 118i / 120i / 125i 2 Series 2014-2016 F22/F23 220i / 228i 3 Series 2012-2016 F30/F31 320i / 328i2013-2016 F34 320i / 328i GT 4 Series 2013-2016 F32/F33 420i / 428i 5 Series 2011-2017 F10/F11 520i / 528i2011-2017 F07 520i / 528i GT X1 Series 2012-2017 E84 X1 sDrive20i / xDrive20i / xDrive28i X3 Series 2012-2017 F25 X3 sDrive20i / xDrive20i / xDrive28i X4 Series 2014-2016 F26 X4 xDrive20i / xDrive28i X5 Series 2013-2014 F15 X5 xDrive25i / xDrive28i Z Series 2011-2016 E89 Z4 sDrive20i / sDrive28i
