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2018-Present G05 xDrive25i / sDrive25i
Engine builders and tuners rely on Supertech to maintain stability
2017–Present BMW G30 M550i xDrive
Street car owners can benefit from smoother acceleration and mid-range power
BMW S63 Valve Springs by SuperTech 1301004 2018-Present G05 xDrive25i / sDrive25iEnhance the performance of your BMW S63 engine with the SuperTech High Performance Valve Spring Kit. This precision engineered kit offers a notable seat pressure of 83 lbs and accommodates a maximum lift of 12 mm, ensuring optimal valve operation even at high RPMs. Designed to replace OEM part numbers: 11340039494, 11340054492, 11347578825, 11347572451, 11347504271, 11347614134, and 11340150843, this kit is the ideal upgrade for serious enthusiasts
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