NGK 97506 "2 Step Colder" Spark Plug jeep-gladiator-2020--esi5495791 Optional Cowl Filter Weather Guards

Optional Cowl Filter Weather Guards sold separately here

BMW Z4 B58 – 490whp with JB4 Map5 and E40

Others utilize hoses that are too small and runs that are too long to allow proper PCV ventilation causing internal motor/ring sealing issues

The solution to this problem has finally arrived

Next thread the shorter supplied bolt through the front brace threaded hole

NGK 97506 "2 Step Colder" Spark Plug jeep-gladiator-2020--esi5495791 Optional Cowl Filter Weather GuardsThese NGK Laser Iridium replacement plugs are factory standard in BMW N20 & S55 engines and are suggested for most turbo BMW engine including the N20, N54, N55, S55, N63, N63TU, S63, and S63TU applications. NOTE: BMW B58 engine uses a different NGK part found here. They are 2 steps colder than stock N54 plugs and suggested for higher boost E85, water meth injection, and or upgraded turbocharger applications across all late model turbo BMW models. We