Goldenwrench BMW M50 / S50 / S52 / S54 Oil Filter Cap Heritage Motorsport

The Goldenwrench BMW M50 / S50 / S52 / S54 Oil Filter Cap – Heritage Motorsport Edition is designed to elevate the engine bay of classic BMW inline-6 platforms with a refined OEM+ aesthetic and improved material durability. Inspired by the golden era of BMW M engineering, this full replacement cap delivers a balance of precision machining, functional performance, and motorsport-inspired design. Engineered in-house, each cap is CNC machined from 6061-T6 billet aluminum and finished in a durable hard anodized Frozen Black coating. The surface features Goldenwrench’s signature 3D post-milled “G” logo, creating a subtle yet high-contrast visual detail that stands apart from the factory component while maintaining a clean, factory-integrated appearance. Beyond aesthetics, this upgraded oil filter cap is designed to improve heat dissipation and long-term durability compared to the factory unit. Designed as a direct replacement, installation is straightforward and utilizes the original mounting location for a seamless upgrade. Product Details • Designed and engineered in-house by Goldenwrench • CNC machined from 6061-T6 billet aluminum • Hard anodized Frozen Black finish • 3D post-milled “G” logo insignia • Direct replacement for factory oil filter cap • Improved heat dissipation and durability over OEM component • Simple plug-and-play installation Vehicle Applications • BMW 5 Series (E34) • BMW M3 (E36) • BMW Z3 M (E36/7) • BMW M3 (E46) • BMW Z4 M (E85 / E86) Notes • Compatible with BMW M50, S50, S52, and S54 engines • Replaces factory oil filter cap with BMW part number 11421711075 • Includes billet oil filter cap and installation instruction card