Genuine BMW Turbo to Downpipe Gasket (Turbo Side) N13 N54 N55 S55 | 1M, M2 Competition, M3, M4, M135i, 135i, 335i, Hybrid 3 | OEM 18307553601

BMW OE Turbocharger Outlet Sealing Ring to Front Pipe - N13 N54 N55 S55 - Part No. 18307553601

Stop exhaust blow at the turbo outlet and keep spool, boost and throttle response razor sharp with this BMW original turbo outlet to front pipe sealing ring. Ideal whenever you remove or upgrade the front pipe, sports cat or de-cat, this OE-fit exhaust junction gasket delivers a tight, reliable seal at the turbine discharge on N13, N54, N55 and S55 engines across popular 1 Series, 3 Series and M models including 1M, M135i, 135i, 335i, M2 Competition, M3 and M4.

We use this exact BMW factory part on customer cars and our own builds at MJ Modifications, and feedback is consistently excellent. No fuss fitment, no leaks, no whistle. Just a proper seal that protects turbo performance and sensor accuracy.

Why this OE turbo outlet gasket is a must-have

• Exact fit BMW original part for a dependable, leak-free seal at the turbocharger outlet
• Helps maintain boost pressure, quick spool and stable lambda readings after heat cycles
• Perfect when fitting performance front pipes, high-flow catalysts or straight-through pipes
• Proven durability on daily drivers and track cars alike
• Trusted in-house at MJ Modifications and rated highly by our customers

Part number: 18307553601

Image for illustration. Final appearance may vary.

Sold individually. See how many you need below.

How many do you need

• N54 twin turbo - 2 required - E82 1M, E8x 135i, E9x 335i
• S55 twin turbo - 2 required - F87 M2 Competition, F80 M3, F82 F83 M4
• N55 single turbo - 1 required - F2x M135i, F3x 335i and Hybrid 3

Engine and model coverage

N54 2006 to 2011: E82 E88 135i, E82 1M, E90 E91 E92 E93 335i

N55 2011 to 2013: E82 E88 135i, E90 E91 E92 E93 335i

N55 2012 to July 2013 PWG only: F20 F21 M135i, F30 F31 335i and Hybrid 3

N13: F30 316i, 320i, F31 316i

S55: F87 M2C 2018 to 2019, F80 M3 2013 to 2019, F82 F83 M4 2013 to 2019 including CS and GTS

Also used across these BMW and Rolls-Royce applications

1 Series E88, E82, F20, F20 LCI, F21, F21 LCI. 2 Series F87 M2 LCI. 3 Series E90, E90 LCI, E91, E91 LCI, E92, E92 LCI, E93, E93 LCI, F30, F30 LCI, F80 M3 LCI, F31, F34 GT, F35, F35 LCI. 4 Series F32, F82 M4, F82 M4 LCI, F83 M4, F83 M4 LCI. 5 Series E60 LCI, E61 LCI, F07 GT, F07 GT LCI, F10, F10 LCI, F11, F11 LCI, F18, G30, F90 M5. 6 Series F06 Gran Coupé, F06 Gran Coupé LCI, F12, F12 LCI, F13, F13 LCI. 7 Series F01, F01 LCI, F02, F02 LCI, F03, F03 LCI, F04 Hybrid, G11, G12. 8 Series G15. X models X1 E84, X3 F25, X4 F26, X5 E70, X5 E70 LCI, X5 F15, X5 M F85, X5 G05, X6 E71, X6 E72 Hybrid, X6 F16, X6 M F86. Z4 E89. Rolls-Royce Phantom RR11, Phantom EWB RR12, Ghost RR4, Wraith RR5, Dawn RR6, Cullinan RR31. MS BMW Motorsport.

Perfect for upgrades and maintenance

Any time the front pipe is removed, a fresh turbo outlet seal is essential to avoid exhaust blow at the turbine exit. This BMW OE sealing ring helps protect turbo efficiency, keeps the system quiet and prevents post-turbo leaks that can skew O2 readings. A simple, low-cost part that safeguards performance on N13, N54, N55 and S55 cars.

Professional installation

Need fitting We can install this gasket along with your performance front pipe or catalyst at MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.

Compatibility check

We will verify fitment before dispatch. Add your UK registration or the last 7 of your VIN at checkout to ensure the correct part.

Search-friendly terms

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