Evolve Performance Billet Oil Filler Cap - BMW N54 I N55 I S55 I B58

Dress up your BMW engine bay while making oil filling easier. The Evolve billet oil filler cap replaces the OEM cap with a precision machined aluminium cap that looks premium and fits the N54, N55, S55 and B58 engines.

Key features and benefits

• Material: CNC machined billet T-6061 aluminium for strength and light weight.
• Finish: Black anodised surface with a titanium centre for a refined look.
• Grip design: Generous finger pads for quicker, cleaner oil fills.
• Fitment: Direct fit for rounded OEM filler necks (OE 11128655331).
• Durability: Corrosion resistant under normal conditions; anodised finish may change under extreme heat.
• Reuse seal: Uses your original oil filler cap seal for correct sealing.

Fitment / Compatibility

Fits BMW engines: N54, N55, S55, B58 and any model with the rounded filler neck shown in images.

Technical specs & installation

Material T-6061 billet aluminium, anodised finish, titanium centre. No special tools required. Install by hand or with a soft strap for final torque. Estimated install time 2–5 minutes. Professional install not required.

Why it matters

Simple engine dress-up that improves usability and visual appeal. Ideal for show cars and enthusiasts who want a neat, factory plus look.

What’s included

1x billet oil filler cap. OEM rubber seals must be reused.

Warranty & returns

Manufacturer warranty on defects. Returns accepted for unused items in original packaging per store policy.

Evolve oil cap, BMW engine dress up, billet oil filler, T6061 aluminium cap, N54 oil cap, N55 oil filler, S55 B58 engine accessory.

FAQs

Q: Do I get a new seal?

A: No, reuse your OEM seal.

Q: Will it leak?

A: No, when fitted with the original seal correctly.

Q: Will the finish fade?

A: Prolonged extreme heat can alter anodised finish.