SuperTech valves for BMW M4X engines offer unmatched durability and precision

enhancing the structural integrity of each valve

FUEL COMPATIBILITY

These bearings feature shells treated and coated by Calico

reduced wear

BMW M50 M52 S50 S52 Copper Head Spacer 1301809 SuperTech valves for BMW M4XConfidently turn up the boost with the new 5150 AutoSport Copper Head Spacer The 5150 AutoSport Copper Head Spacer for BMW M50 M52 S50 S52 is the ideal solution for those seeking to turbocharge their E34 E36 engine. Composed of 99% Pure Copper, these spacers are carefully rolled to ensure uniform flatness and when combined with a Cut Ring Head Gasket, provide a robust seal. While Multi Layer Steel Gaskets tend to leak between layers in boosted