Valvetronic (variable lift) power plant of the 2021+ BMW G80 / G81 M3

this damper delivers balanced torsional crankshaft vibration damping across all RPM ranges

When Sleeving is the Only Option:

serious engine builds—especially those with custom camshafts or tuned for high RPMs—demand the additional precision that lifter shims provide

these SuperSprint Headers were the first application of a stepped design on the E46 M3

S58 Valve Guides TiAL Valvetronic (variable lift) power plantOur HD bronze valve guides for the BMW S58 engine are engineered for extreme performance, high boost applications where OEM materials reach their limits. These guides replace the factory BMW valve guides in the cylinder head (intake and exhaust assemblies). Built to withstand extreme heat, aggressive valve spring pressures, and sustained high RPM operation, they deliver exceptional stability and durability under the most demanding conditions. Machined