OEM BMW N55 Downpipe Gasket / Decat Gasket / Sport Cat Gasket
Genuine BMW OEM downpipe gasket for the top of the downpipe on N55 EWG engines. The perfect replacement gasket when fitting a performance downpipe, decat downpipe, sports cat downpipe or reinstalling the stock catalytic converter. Designed for a precise seal to help prevent exhaust leaks, protect turbo performance and keep your N55 running at its best.
This BMW N55 downpipe gasket is a direct fit for N55 EWG models including M135i, M235i, M2 (N55), 335i, 435i, 535i and more. It fits the factory catalytic converter as well as the aftermarket decat and sport cat downpipes we sell, making it the go-to N55 turbo to downpipe gasket for both stock and modified cars.
Why choose this OEM BMW N55 downpipe gasket
- Genuine BMW OEM quality for a reliable, gas-tight seal
- Ideal for downpipe upgrades: decat downpipe, sport cat downpipe, performance downpipe installs
- Fits stock catalytic converter and all compatible aftermarket downpipes we offer
- Helps minimise exhaust leaks and maintain boost response
- Built to handle high heat and performance use
Confirmed fitment
BMW N55 EWG engines (electronic wastegate), including:
- M135i (F20 F21)
- M235i (F22 F23)
- M2 N55 (F87)
- 335i (F30 F31 F34)
- 435i (F32 F33 F36)
- 535i (F10 F11)
If your car uses the N55 EWG engine and you are replacing the downpipe, decat or sport cat, this gasket is the one you need.
Our experience
We use these genuine BMW N55 downpipe gaskets in-house and they seal first time. Customers repeatedly praise the perfect fit and trouble-free installation, whether on a standard cat, a decat downpipe or a high-flow sports cat.
When to replace
- Any time the downpipe is removed or replaced
- When upgrading to a decat or sports cat downpipe
- If you notice exhaust leaks, fumes in the engine bay or a ticking sound on cold start
What you get
Genuine BMW downpipe gasket for N55 EWG engines. This listing is for the gasket only.
Fitting and support
Professional fitting recommended. Nforcd offers installation at our workshop in Warwickshire. To request a quote, email Sales@nforcd.com.
Search-friendly terms
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