Genuine BMW S55 Downpipe Gasket - Exhaust Side for M2 Competition, M3, M4 (OEM 18307851168)
Keep your S55-powered BMW leak-free and performing at its best with this Genuine BMW downpipe to mid-section exhaust gasket. This OEM gasket sits between the downpipe and the centre section of the exhaust on the BMW F87 M2 Competition, F80 M3 and F82 or F83 M4, including CS and GTS. Perfect when fitting sport downpipes or decat downpipes, or whenever you are removing and refitting the exhaust. Genuine BMW fit, finish and durability.
We use this gasket on our own S55 builds and customer cars, and it has proven to deliver a reliable, gas-tight seal. Our customers choose OEM for peace of mind, longevity and to avoid exhaust leaks that can rob power or cause unwanted noise. If you are installing new downpipes on the S55 engine, replacing these gaskets is strongly recommended.
Why choose this Genuine BMW downpipe gasket
- OEM BMW quality for the S55 engine - perfect fit and long-term reliability
- Creates a gas-tight seal between downpipe and mid pipe to prevent exhaust leaks
- Ideal for sport downpipe or decat downpipe installs on M2 Competition, M3 and M4
- Maintains performance, reduces risk of blow-by and ensures correct exhaust back pressure
- Direct replacement part - no modifications required
Sold individually. Two gaskets are required when replacing both downpipes on the S55. Update quantity to 2 before adding to basket.
Fits S55 engine only
- BMW F87 M2 Competition 2018 - 2019
- BMW F80 M3 2013 - 2019
- BMW F82 or F83 M4 2013 - 2019 including CS and GTS
Part number
BMW OEM: 18307851168
Compatibility check
We will confirm fitment before dispatch. Provide your UK registration or the last 7 digits of your VIN at checkout to ensure this BMW exhaust gasket is correct for your vehicle.
Fitting service
Prefer professional installation? Book fitting with Nforcd in Warwickshire. Request a quote at Sales@nforcd.com.
Manufacturer and warranty
Manufactured by BMW. Two years manufacturer warranty for UK customers and one year for international customers when a VIN is provided at checkout on compatible vehicles.
Search-friendly terms
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