{"product_id":"elring-bmw-e88-f22-f30-f36-n55-cylinder-head-gasket-inc-135i-m235i-335i-435i","title":"Elring 186.030 MLS Cylinder Head Gasket 1.2mm for BMW N55 3.0L I6 Turbo (replaces 11127599212) | OEM Top Gasket\/Head Seal | Fits 135i M135i M235i M2 335i 435i 535i 640i 740i X1 X3 X4 X5 X6 35i N55B30","description":"\u003cdiv class=\"product__description rte\"\u003e\n  \u003ch2\u003eElring 186.030 Head Gasket - 1.2 mm thickness - for BMW 3.0 turbo straight-six N55\u003c\/h2\u003e\n\n  \u003cp\u003e\n    Built for dependable sealing on tuned and stock applications, this Elring 1.2 mm cylinder head gasket is the smart choice when refreshing the top end on BMW’s single-turbo 3.0-litre N55 petrol engine. It directly supersedes BMW ref \u003cstrong\u003e11127599212\u003c\/strong\u003e and carries Elring ref \u003cstrong\u003e186.030\u003c\/strong\u003e, giving you OE-matching quality, clean compression control and leak-free performance under boost.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    Perfect for daily drivers, fast-road builds and track-day cars, this premium head seal has proven reliability on remapped setups, hybrid turbo conversions and standard power vehicles alike. We use this exact gasket in-house at MJ Modifications and our customers consistently report excellent results, stable coolant temps and long-term durability.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eReasons to choose this Elring head seal\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eDirect-fit for BMW N55 3.0 turbo engines - precise fitment and excellent combustion sealing\u003c\/li\u003e\n    \u003cli\u003e1.2 mm thickness - maintains the intended compression characteristics\u003c\/li\u003e\n    \u003cli\u003eReplaces BMW part number 11127599212 - Elring part number 186.030\u003c\/li\u003e\n    \u003cli\u003eDesigned for the heat and pressure of boosted applications - reliable under hard use\u003c\/li\u003e\n    \u003cli\u003eIdeal during engine rebuilds, head skim, turbo upgrade or cooling system repairs\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eVehicle applications - N55 3.0 petrol turbo\u003c\/h3\u003e\n  \u003cp\u003eCompatible with a wide range of models fitted with the N55 straight-six:\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003e1 Series - E82 135i, E88 135i, F20 M135i, F21 M135i\u003c\/li\u003e\n    \u003cli\u003e2 Series - F22 M235i, F23 M235i, F87 M2\u003c\/li\u003e\n    \u003cli\u003e3 Series - E90 E91 E92 E93 335i, F30 F31 F34 335i and ActiveHybrid 3\u003c\/li\u003e\n    \u003cli\u003e4 Series - F32 F33 F36 435i\u003c\/li\u003e\n    \u003cli\u003e5 Series - F07 GT 535i, F10 F11 535i and ActiveHybrid 5\u003c\/li\u003e\n    \u003cli\u003e6 Series - F06 F12 F13 640i\u003c\/li\u003e\n    \u003cli\u003e7 Series - F01 F02 740i including hybrid variants\u003c\/li\u003e\n    \u003cli\u003eX Models - X1 E84 35i, X3 F25 35i, X4 F26 35i and M40i, X5 E70 F15 35i and 40i, X6 E71 F16 35i and 40i\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\n    Model coverage can vary by year, market and drivetrain. If you’re unsure, we offer a free fitment check before dispatch.\n  \u003c\/p\u003e\n\n  \u003ch3\u003ePart numbers and spec\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eElring reference: \u003cstrong\u003e186.030\u003c\/strong\u003e\n\u003c\/li\u003e\n    \u003cli\u003eSupersedes BMW reference: \u003cstrong\u003e11127599212\u003c\/strong\u003e\n\u003c\/li\u003e\n    \u003cli\u003eThickness: \u003cstrong\u003e1.2 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eWhen to install this gasket\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eTop-end refresh or full engine rebuild on an N55\u003c\/li\u003e\n    \u003cli\u003eAddressing combustion sealing issues or pressurised cooling systems\u003c\/li\u003e\n    \u003cli\u003eDuring turbocharger replacement, timing work or head skim\u003c\/li\u003e\n    \u003cli\u003ePreparing a reliable fast-road or track-day build\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eProfessional fitting - MJ Modifications\u003c\/h3\u003e\n  \u003cp\u003e\n    Want it fitted properly first time? MJ Modifications in Warwickshire can supply and install this head gasket on your N55. For a fitting quote or technical advice, email \u003ca href=\"mailto:info@mjmodifications.co.uk\"\u003einfo@mjmodifications.co.uk\u003c\/a\u003e.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eCompatibility check\u003c\/h3\u003e\n  \u003cp\u003e\n    Provide your UK registration or the last 7 of your VIN at checkout and we will confirm compatibility with your exact vehicle before shipping.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eSearch-friendly terms\u003c\/h3\u003e\n  \u003cp\u003e\n    N55 cylinder top gasket, BMW 3.0 turbo head seal, performance head gasket for N55, 1.2mm head gasket BMW 3.0 petrol, M135i M235i M2 35i head gasket, 135i 335i 435i 535i 640i 740i head seal, X1 X3 X4 X5 X6 35i head gasket, Elring 186030 gasket, replaces 11127599212, N55 combustion seal, BMW straight-six turbo gasket, top end rebuild gasket N55, head gasket for remap and hybrid turbo builds.\n  \u003c\/p\u003e\n\u003c\/div\u003e","brand":"Elring","offers":[{"title":"Default Title","offer_id":56008710128002,"sku":null,"price":114.83,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/5445\/8937\/files\/1_1946x_033827ef-648c-4209-ade9-83ff8dc21f56.jpg?v=1764091161","url":"https:\/\/mjmodifications.co.uk\/products\/elring-bmw-e88-f22-f30-f36-n55-cylinder-head-gasket-inc-135i-m235i-335i-435i","provider":"MJ Modifications","version":"1.0","type":"link"}