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For BMW M20 owners searching for a reliable performance valve solution
1mm Valve Lift Application 291° Intake / 291° Exhaust 10
2010–2014 BMW E71 X6 xDrive50i
including heat treatment
race-proven durability
BMW / Toyota B58 Valve Springs by SuperTech Seat Pressure:84 lbs For BMW M20 owners searchingSupertech 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
