{"product_id":"genuine-bmw-s55-downpipe-gasket-m2-competition-m3-m4","title":"Genuine BMW S55 Downpipe to Mid Pipe Exhaust Gasket (OEM 18307851168) - Fits F87 M2 Competition, F80 M3, F82\/F83 M4 (CS\/GTS)","description":"\u003cdiv class=\"product__description rte\"\u003e\n  \n  \u003ch2\u003eBMW OE Exhaust Joint Seal Ring for S55 - Front Pipe to Centre Pipe - Part No. 18307851168\u003c\/h2\u003e\n  \n  \u003cp\u003e\n    Keep your S55-powered BMW tight, quiet and performing as it should with this genuine BMW exhaust connection seal. This factory sealing ring sits at the union between the front pipes and the centre section on S55 twin-turbo models, delivering a dependable gas-tight join that resists heat cycles and vibration.\n  \u003c\/p\u003e\n  \n  \u003cp\u003e\n    Ideal whenever you remove the exhaust for maintenance or upgrades such as high-flow catted front pipes or de-cat front pipes, this OE component helps prevent blow-by, unwanted fumes and annoying ticking noises under load. Expect proper alignment, perfect fit and long-term reliability because it is an original BMW part, not an aftermarket substitute.\n  \u003c\/p\u003e\n  \n  \u003cp\u003e\n    We run this exact seal ring on our own S55 builds and countless customer cars. Feedback is consistently positive for leak-free installation, easy fitment and lasting durability. If you are refreshing the system or swapping front pipes, replacing these seals is a smart, low-cost way to protect performance and refinement.\n  \u003c\/p\u003e\n  \n  \u003ch3\u003eWhy this BMW factory seal is the right choice\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eOriginal equipment quality for S55B30 - engineered for the heat and pressure at the turbo outlet to centre section joint\u003c\/li\u003e\n    \u003cli\u003eCreates a secure, gas-tight interface between front pipes and centre pipe to stop leaks\u003c\/li\u003e\n    \u003cli\u003ePerfect companion for performance front pipes, sport-cat or de-cat installs on M2C, M3 and M4\u003c\/li\u003e\n    \u003cli\u003eRestores proper back pressure and keeps cabin free from exhaust odours\u003c\/li\u003e\n    \u003cli\u003eDirect OE replacement - no modifications, no hassle\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \n  \u003cp\u003e\u003cstrong\u003eSold individually. Two seals are required if replacing both banks on the S55.\u003c\/strong\u003e Update quantity to 2 before adding to basket.\u003c\/p\u003e\n  \n  \u003ch3\u003eCompatibility\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eBMW F87 M2 Competition 2018 - 2019\u003c\/li\u003e\n    \u003cli\u003eBMW F80 M3 2013 - 2019\u003c\/li\u003e\n    \u003cli\u003eBMW F82 M4 Coupe 2013 - 2019 including CS and GTS\u003c\/li\u003e\n    \u003cli\u003eBMW F83 M4 Convertible 2013 - 2019 including CS\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \n  \u003ch3\u003ePart number\u003c\/h3\u003e\n  \u003cp\u003e\u003cstrong\u003eBMW OE: 18307851168\u003c\/strong\u003e (also written as 18 30 7 851 168)\u003c\/p\u003e\n  \n  \u003ch3\u003eFitment check\u003c\/h3\u003e\n  \u003cp\u003e\n    We will confirm compatibility before dispatch. Add your UK registration or the last 7 characters of your VIN at checkout so we can verify this exhaust joint seal is correct for your vehicle.\n  \u003c\/p\u003e\n  \n  \u003ch3\u003eProfessional fitting\u003c\/h3\u003e\n  \u003cp\u003e\n    Want it installed properly first time We offer fitting at MJ Modifications in Warwickshire. Request a quote at \u003ca href=\"mailto:info@mjmodifications.co.uk\"\u003einfo@mjmodifications.co.uk\u003c\/a\u003e.\n  \u003c\/p\u003e\n  \n  \u003ch3\u003eManufacturer and warranty\u003c\/h3\u003e\n  \u003cp\u003e\n    Manufactured by BMW. Two-year manufacturer warranty for UK customers and one year for international customers when a VIN is supplied at checkout on compatible vehicles.\n  \u003c\/p\u003e\n  \n  \u003ch3\u003eCommon search terms\u003c\/h3\u003e\n  \u003cp\u003e\n    BMW S55 exhaust flange gasket, BMW M2C front pipe seal, BMW F80 S55 seal ring, BMW F82 M4 centre section gasket, F83 M4 exhaust connection ring, S55 turbo outlet gasket, BMW OE exhaust coupling gasket, S55 exhaust leak fix, BMW M3 M4 exhaust union seal, 18307851168 BMW gasket, BMW performance exhaust joiner gasket, S55 front pipe to centre pipe ring, M2 Competition exhaust flange seal, BMW M4 CS exhaust gasket, BMW GTS exhaust seal ring, genuine BMW ring gasket S55.\n  \u003c\/p\u003e\n  \n\u003c\/div\u003e","brand":"BMW","offers":[{"title":"Default Title","offer_id":55975974699394,"sku":null,"price":15.85,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/5445\/8937\/files\/GenuineBMWS55DownpipeGasket-ExhaustSide_M2Competition_M3_M4_-PantheraPerformanceSupplies_2048x2048_f74ea40e-9344-4355-9955-36ee45faee27.webp?v=1763324638","url":"https:\/\/mjmodifications.co.uk\/products\/genuine-bmw-s55-downpipe-gasket-m2-competition-m3-m4","provider":"MJ Modifications","version":"1.0","type":"link"}