The Goldenwrench BMW M Blackline Oil Cap Heritage Motorsport Edition is engineered to elevate the engine bay of early 2000s BMW M vehicles with a refined OEM+ aesthetic and motorsport-inspired detailing. Designed in-house from the ground up, this full replacement oil cap reimagines the factory component with improved materials, precision machining, and a more purposeful visual presence.

Manufactured from CNC machined T6 billet aluminum, each oil cap is finished in Goldenwrenchs signature Frozen Silver anodized coating for a clean, high-contrast appearance. The surface features the BLACKLINE Performance logo in a black infill process, complemented by subtle ghosted G logos that are 3D post-milled into the cap for a premium layered effect. This combination of materials and finishing ensures improved durability, resistance to heat, and long-term reliability compared to the factory plastic cap.

Designed as a direct replacement, installation is straightforward and can be completed in minutes using the factory mounting location. This upgrade provides a simple yet highly effective way to enhance the visual quality of the engine bay while maintaining OEM fitment standards.

Product Details

Designed and engineered in-house by Goldenwrench
CNC machined from T6 billet aluminum
Frozen Silver anodized finish
BLACKLINE Performance logo with black infill
3D post-milled ghosted G logo detailing
Direct replacement for factory oil cap
Improved heat resistance and durability over OEM plastic cap
Simple installation with factory fitment

Vehicle Applications

BMW M3 (E46)
BMW Z4 M (E85 / E86)
BMW M3 (E90)
BMW M3 (E92 / E93)
BMW M5 (E60)
BMW M6 (E63 / E64)

Notes

Compatible with BMW engines S54, S65, and S85
Replaces factory oil cap with BMW part number 11127832157
Includes billet oil cap and installation instruction card