BMW / Toyota B58 Valve Springs by SuperTech

Supertech offers high-performance valve spring kits designed specifically for BMW and Toyota B58 engines, providing precise valve control and unmatched reliability. Each kit includes Supertech's premium valve springs, engineered for high RPMs and demanding conditions, ideal for performance enthusiasts and professional racing teams alike. Crafted from the finest materials, Supertech valve springs feature higher spring rates and greater durability than stock options. Engine builders and tuners rely on Supertech to maintain stability, prevent valve float, and optimize power output under extreme conditions. For those seeking a proven, high-quality solution to enhance the performance of their B58 engine, Supertech valve springs are a trusted choice for achieving reliable, peak performance. Installation requires the expertise of an engine builder. BMW B58 Gen 1 Applications: 1 Series 2016-2019 F20/F21 M140i 2 Series 2016-2019 F22/F23 M240i 3 Series 2015-2019 F30/F31 340i / 340i xDrive2016-2019 F34 340i GT / 340i GT xDrive 4 Series 2016-2020 F32/F33/F36 440i / 440i xDrive 5 Series 2016-2019 G30/G31 540i / 540i xDrive 6 Series 2017-2019 G32 640i GT / 640i GT xDrive 7 Series 2015-2019 G11/G12 740i / 740i xDrive X3 Series 2017-2019 G01 X3 M40i X4 Series 2018-2019 G02 X4 M40i BMW B58 Gen 2 Applications: 3 Series 2019-Present G20/G21 M340i / M340i xDrive 4 Series 2020-Present G22/G23/G26 M440i / M440i xDrive Z Series 2019-Present G29 Z4 M40i 5 Series 2020-Present G30/G31 LCI 540i / 540i xDrive 6 Series 2020-Present G32 LCI 640i GT / GT 640i xDrive 7 Series 2019-Present G11/G12 LCI 740i / 740i xDrive X3 Series 2020-Present G01 X3 M40i X4 Series 2020-Present G02 X4 M40i X5 Series 2018-Present G05 X5 xDrive40i X6 Series 2019-Present G06 X6 xDrive40i X7 Series 2018-Present G07 X7 xDrive40i ALPINA B58 Gen 2 Applications: B3 Series 2020-Present G20/G21 B3 B4 Series 2022-Present G22 B4 B5 Series 2020-Present G30 B5 XB7 Series 2020-Present G07 XB7 Toyota B58 Gen 2 Applications: A90 / A91 Supra 2020-Present GR Supra 3.0 2020-Present GR Supra 3.0 Premium 2021-Present GR Supra 3.0 A91 Edition