The PDM circuits can be set up and monitored via Race Studio 3 software

Billet E Piston

1982 - 1984       BMW E30       323i

Increased thermal capacity for sustained performance

4 low-side auxiliary outputs for meth

B58 Valve Guides 535 The PDM circuits can beOur HD bronze valve guides for the BMW B58 engine are engineered for high 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 elevated temperatures, increased valve spring pressures, and sustained high RPM operation, they deliver exceptional stability and durability under demanding conditions. Machined