AIRTEC Motorsport Oil Filter Housing Cap for BMW N20/N52/N54/N55/S55



As part of our expanding BMW product range, AIRTEC Motorsport is proud to launch our oil filter housing cap for BMW N20/N52/N54/N55/S55.

Developed in-house at AIRTEC HQ in the UK, we’ve created a comprehensive solution to replacing the OEM oil filter housing cap that’s originally made in plastic and is known to become brittle and fail over time.It also improves aesthetics within the engine bay and is easier to remove and replace, as it doesn’t require the special BMW tool the original does.

Machined from billet aluminium, the cap features intricate detailing and an engraved AIRTEC Motorsport logo and wording, with a high quality anodised grey finish.

Easy to fit, the cap is a direct replacement for the original and uses the original O-ring, filter cage and filter.

Replaces BMW part number: 11427525334

Will fit the following – please check if in doubt:

• N54 engines (135i/335i/535i/Z4)
• N55 engines (135i/M135i/M235i/335i/435i/535i/M2/Z4)
• S55 engines (M2/M3/M4)
• N51 & N52 engines (125i/128i/130i/323i/325i/330i/523i/525i/528i/530i/630i/730i/Z4)
• N20 & N26 engines (125i/220i/228i/320i/328i/420i/428i/520i/525i/Z4)



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