1995-1999     E36/7     Z3 1

ensuring a perfect fit and enhanced stability during operation

and valve float:

These springs offer the stability

BMW / Toyota B58 Valve Springs by SuperTech 1112172622 1995-1999 E36/7 Z3 1Supertech 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