BMW N54 Turbo Oil Feed Line O-Ring Seal Ring — OEM Genuine Replacement for 135i & 335i (E82 E90 E92) — Turbocharger Oil Supply Pipe Gasket | 1 Series/3 Series N54 3.0 Twin Turbo Leak Fix

Stop oil misting around your N54 turbo hardware with this factory-spec seal ring for the turbo oil supply connection. Age-hardened seals are a known cause of seepage on BMW’s twin-turbo straight six, and swapping this O ring restores correct lubrication system integrity on 1 Series and 3 Series N54 applications. Simple, affordable and highly effective for keeping your turbochargers protected and your engine bay clean.

Why this OE-spec seal ring is a smart choice

• Original-equipment quality for an exact fit at the turbo feed pipe union
• Maintains stable oil pressure to the turbos for reliable performance
• Great preventative maintenance during turbo swaps, oil line refreshes or leak diagnosis
• Direct replacement part for quick, hassle-free service
• Used in-house by MJ Modifications on N54 builds with consistently excellent results

Our workshop fits these seals routinely on customer cars and our own projects. Customers love the peace of mind and the clean, leak-free running after replacement. A small outlay that protects expensive turbo hardware and keeps your N54 running sweet.

Vehicle fitment

Suits BMW N54 twin-turbo petrol engines including E82 135i and E90 E92 335i. If you are refreshing the oil supply line on an N54, this is the correct seal ring for the turbo feed connection. Unsure about your car? We are happy to confirm.

Install and support

Professional fitting recommended. MJ Modifications offers installation in Warwickshire. Request a quote at info@mjmodifications.co.uk.

Tech tips: always replace disturbed seals, lightly lubricate the new O ring with clean engine oil before assembly, and torque fasteners to factory specifications.

Compatibility check

For peace of mind, we can verify fitment before dispatch. Provide your UK registration or the last 7 characters of your VIN at checkout.

Manufactured by

BMW

Warranty

UK customers: 2-year manufacturer warranty. International customers: 1-year manufacturer warranty when a compatible VIN is supplied at checkout.

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