Description
Add functional style to your engine bay with the MMR Performance Billet Oil Filler Cap, designed to fit a wide range of BMW performance engines. Crafted from solid billet 6061 aerospace-grade aluminum and finished in a sleek gloss black anodizing, this cap delivers durability, improved aesthetics, and a secure, leak-free seal.
Key Features:
- Precision CNC-machined from billet 6061 aluminum
- Deep gloss black anodized finish for corrosion resistance and aesthetics
- Internally sprung design provides a firm locking click when tightened
- Redesigned for 0° or 90° install orientation to suit both longitudinal and transverse engine layouts
- Provides enhanced grip for easier oil filling and removal
- Eliminates common oil weep/leak issues found with aging OEM plastic caps
- Matches MMR engine dress-up components for a cohesive under-hood appearance
Fitment Compatibility:
Designed to fit BMW engines using the rounded oil filler cap with OE Part Number 11128655331. Confirm by comparing the underside of your original oil cap.
Fits the following BMW engines:
- B58 engine family (e.g., G20 M340i, G29 Z4 M40i, etc.)
- N54 engine family (e.g., E82 135i, E90/E92 335i)
- N55 engine family (e.g., F30 335i, F22 M235i)
- S54 engine (e.g., E46 M3)
- S55 engine (e.g., F80 M3, F82/F83 M4)
- S63 engine family (e.g., F10 M5, F13 M6, X5M/X6M models)
Installation Notes:
- Reuses the original oil filler cap rubber seal
- Direct replacement; no modifications required
- Engineered for a secure fit and optimal sealing performance
Built to Perform and Impress:
Unlike factory plastic oil caps that degrade with heat and age, this billet cap is engineered to last the lifetime of your vehicle. The internal spring mechanism ensures you’ll always hear and feel a positive “click” when fully secured — giving you confidence in a reliable seal, every time.
Whether you're upgrading for form, function, or both, the MMR Performance Oil Filler Cap is the finishing touch to any BMW performance engine bay.
The standard shipping rate applies to orders within the continental United States. If you intend to place an order outside of the continental US, please reach out to support@x-ph.com for assistance.
