Unlike the factory plastic valve cover that is prone to failure over time, the NRW Design billet valve cover is built to last. After more than a year of design, machining, and real-world testing, this valve cover is the ultimate solution to the common issues faced by G8X M3/M4.

This motorsport-grade alternative is designed to withstand extreme heat, pressure, and power levels. It is already in use on some of the highest-horsepower S58 cars in the world, proving its durability and reliability on setups making over 1,600 whp, including Pro.

Say goodbye to the worries of cracked plastic valve covers and hello to a permanent solution that will enhance the performance and longevity of your S58 engine. Trust NRW Design to deliver industry-leading products that are built to exceed your expectations.

Also available from NRW Design for the BMW S58:

 

 

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