Reinforced Exhaust Valves BMW M3 E36 Z3M S50B32

The SUPERTECH reinforced exhaust valve kits for S50B32 engines are made up of 12 valves.

Find below (click on the images) the accessories for the BMW S50B32 engine:

Technical specification of INOX valves

• Head diameter: 30.60mm (OEM)
• Stem diameter: 5.96mm
• Valve length: 121.30mm
• Material: stainless steel
• Number of grooves: 3

Technical specification of INCONEL valves

• Head diameter: 31.00mm (+0.4mm)
• Stem diameter: 5.96mm
• Valve length: 122.80mm
• Material: Inconel
• Number of grooves: 1

SUPERTECH valves are machined by CNC from a forged blank for optimal precision. They then receive a heat treatment (which varies according to the valve application) and are ground again (super-finishing process). SUPERTECH valves are checked by various means such as ultrasound, X-ray and laser measurement.

For more than three decades, SUPERTECH has strived to find the most suitable materials for each valve and each application in order to increase reliability. There are therefore different valve materials such as stainless steel, Inconel, titanium and sodium (the latter is present in the valve stem and allows better heat dissipation).