Supertech +1mm Oversize Valve Kit for BMW E36 E46 M50 M52 S50 S52 M54

These Supertech valves are a great upgrade to the stock two piece valve design. Their one piece construction offer superior resilience.  These valves kit are sold as single groove keepers, unlike the triple groove design on the stock valve.

Available with either Black Nitride or Inconel Exhaust Valves. Inconel composition offer superior heat reassurance and are ideal for force induction applications.

These valves are +1mm Larger than the stock valves, and require machining to the cylinder head.

Includes

12x Single Groove Black Nitride +1mm Intake Valves
12x Single Groove +1mm Exhaust Valves (Choose either Black Nitride or Inconel)
48x Single Groove Valve Keepers

Fits

M50 (Will nor fit the non vanos variant.)
M52
S50
S52
M54