GoldenWrench BMW E90, E92 & E93 M3 BLACKLINE Washer Fluid Cap

Upgrade your engine bay with the GoldenWrench BLACKLINE Billet Washer Fluid Cap for BMW E90, E92 & E93 M3, designed to replace the factory plastic cap with a precision-engineered aluminium solution that enhances both quality and functionality. Developed in-house and CNC-machined from T6 aluminium, this full replacement cap features GoldenWrench’s no-spill seal technology to eliminate common washer fluid leakage while delivering a premium, high-end finish. Key Features: Full replacement billet washer fluid cap CNC-machined from T6 aluminium for durability and precision BLACKLINE Performance design with premium anodised finish Integrated no-spill seal technology to prevent fluid leakage Precision 3D-milled detailing for a high-quality finish Direct replacement for factory cap Quick and simple installation Premium Engine Bay Upgrade The factory washer fluid cap is a basic plastic component that often looks out of place in a performance-focused engine bay. The GoldenWrench BLACKLINE cap replaces it with a machined aluminium upgrade that delivers a cleaner, more refined aesthetic in line with high-end BMW builds. Advanced No-Spill Seal Technology Designed to address a common issue with OEM caps, this upgraded unit incorporates a precision sealing system that: Prevents washer fluid leakage Improves sealing performance under movement and pressure Provides a more secure fit compared to factory components CNC-Machined Billet Aluminium Construction Each cap is manufactured from high-grade T6 aluminium using advanced CNC machining processes, ensuring: Exceptional strength and durability Consistent precision and fitment Long-lasting resistance to heat and engine bay conditions The engraved detailing is 3D-milled directly into the cap, creating a premium finish that will not fade or wear over time. OEM Fitment & Easy Installation This is a complete replacement unit designed to install directly in place of the original cap within minutes, requiring no modifications. What’s Included? GoldenWrench BLACKLINE Billet Washer Fluid Cap Installation instruction card Compatibility BMW E90 / E91 / E92 / E93 3 Series (including M3) BMW G20 3 Series (excluding G80 M3) BMW X3 F97 BMW X4 F98 MINI F55 / F56 / F57 Why Choose GoldenWrench? GoldenWrench is known for producing high-quality billet aluminium upgrades that combine precision engineering with functional improvements and premium finishes. Why Buy from R44 Performance? R44 Performance supplies carefully selected BMW upgrades designed to improve both performance and ownership experience. BMW specialists Premium aftermarket brands Fast UK and international delivery Expert support and product knowledge Refine your engine bay with the GoldenWrench BLACKLINE Washer Fluid Cap, delivering improved sealing, premium materials and a noticeable upgrade over the factory component.