{"product_id":"genuine-bmw-n51-n52-n54-n55-intake-manifold-gasket-set-inc-135i-335i-750i-z4-3-0si","title":"Genuine BMW Intake Manifold Gasket Set - N51 N52 N54 N55 Engines - OEM 11617547242 - Fits 135i 335i 435i 535i 640i 740i 750i Z4 3.0si E90 E92 E93 E82 F30 F10","description":"\u003cdiv class=\"product__description rte\"\u003e\n  \u003ch2\u003eOriginal BMW Inlet Manifold Sealing Kit for N51 N52 N54 N55 - OE 11617547242\u003c\/h2\u003e\n\n  \u003cp\u003e\n    Stop unmetered air and bring your straight-six back to silky-smooth running with this factory BMW inlet manifold seal kit. Designed for N51, N52, N54 and N55 petrol engines, this OE solution restores airtight sealing at the intake ports, helping to resolve idle instability, mixture faults and annoying hissing under the bonnet. We use this exact kit on our own builds and customer cars, and feedback has been consistently excellent for drivability and long-term reliability.\n  \u003c\/p\u003e\n\n  \u003cul\u003e\n    \u003cli\u003eGenuine BMW component - precise fit and long service life\u003c\/li\u003e\n    \u003cli\u003ePrevents air leaks and vacuum loss for stable fuel trims and smooth throttle response\u003c\/li\u003e\n    \u003cli\u003eIdeal whenever the plenum is removed for walnut blasting, injector work, valve cleaning or hardware upgrades\u003c\/li\u003e\n    \u003cli\u003eProven in-house at MJ Modifications and trusted by enthusiasts across the UK\u003c\/li\u003e\n    \u003cli\u003eOE reference: \u003cstrong\u003e11617547242\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eWhy choose this OE kit\u003c\/h3\u003e\n  \u003cp\u003e\n    Age and heat harden the original runner O-rings, leading to false air, light misfires and reduced performance. Replacing with BMW’s own sealing rings gives a perfect interface to the cylinder head and manifold, avoiding boost loss on turbocharged applications and ensuring consistent engine management on naturally aspirated setups.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eCompatibility overview\u003c\/h3\u003e\n  \u003cp\u003e\n    Suits a wide range of 6-cylinder BMW petrol models using N51, N52, N54 or N55 engines, including popular 1 Series, 2 Series, 3 Series, 4 Series, 5 Series, 6 Series, 7 Series, Z4, X1, X3, X4, X5 and X6 variants. Typical examples include:\n  \u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003e1 Series - 125i, 128i, 130i, 135i, M135i\u003c\/li\u003e\n    \u003cli\u003e2 Series - M235i, M2 (N55)\u003c\/li\u003e\n    \u003cli\u003e3 Series - 323i, 325i, 328i, 330i, 335i, 335is, Hybrid 3\u003c\/li\u003e\n    \u003cli\u003e4 Series - 435i\u003c\/li\u003e\n    \u003cli\u003e5 Series - 523i, 525i, 528i, 530i, 535i, Hybrid 5\u003c\/li\u003e\n    \u003cli\u003e6 Series - 630i, 640i\u003c\/li\u003e\n    \u003cli\u003e7 Series - 730i, 740i, 750i\u003c\/li\u003e\n    \u003cli\u003eZ4 - 2.5i, 3.0i, 3.0si, 23i, 30i, 35i, 35is\u003c\/li\u003e\n    \u003cli\u003eX models - X1 25i 28i 35i, X3 3.0i 28i 35i, X4 35i M40i, X5 3.0si 35i 40i, X6 35i 40i\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\n    Chassis coverage includes E81 E82 E85 E86 E87 E88 E89, E90 E91 E92 E93, F20 F21 F22 F23, F30 F31 F34 F32 F33 F36, F07 F10 F11, F01 F02, E70 F15, E71 E72 F16 and more with the above engines.\n  \u003c\/p\u003e\n\n  \u003ch3\u003ePart number\u003c\/h3\u003e\n  \u003cp\u003e\u003cstrong\u003e11617547242\u003c\/strong\u003e\u003c\/p\u003e\n\n  \u003ch3\u003eWhen to replace\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eUnstable idle, light misfire or adaptation values out of range\u003c\/li\u003e\n    \u003cli\u003eHissing from the intake area or fuel economy dropping\u003c\/li\u003e\n    \u003cli\u003eAfter manifold removal for walnut blasting, injector replacement or PCV work\u003c\/li\u003e\n    \u003cli\u003eHigh mileage where original seals have flattened or become brittle\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eCompatibility check\u003c\/h3\u003e\n  \u003cp\u003e\n    We will verify fitment before dispatch. Add your UK registration or the last 7 of your VIN at checkout and our team will confirm suitability for your exact vehicle.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eFitting and support\u003c\/h3\u003e\n  \u003cp\u003e\n    Prefer professional fitting. Book installation with MJ Modifications in Warwickshire. For a quote, email \u003ca href=\"mailto:info@mjmodifications.co.uk\"\u003einfo@mjmodifications.co.uk\u003c\/a\u003e.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eManufacturer\u003c\/h3\u003e\n  \u003cp\u003eBMW - original equipment quality\u003c\/p\u003e\n\n  \u003ch3\u003eWarranty\u003c\/h3\u003e\n  \u003cp\u003e\n    Two years manufacturer warranty for UK customers and one year for international customers when a VIN is provided at checkout on compatible vehicles.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eSearch-friendly terms\u003c\/h3\u003e\n  \u003cp\u003e\n    BMW inlet manifold gasket kit, BMW plenum seals N54 N55, N52 manifold runner O-rings, N51 intake port seals, BMW straight-six intake sealing rings, OE manifold gasket 11617547242, BMW 135i inlet gasket, BMW 335i plenum gasket, BMW 435i intake port O-rings, BMW 535i inlet manifold seals, BMW 640i intake runner seals, BMW 740i 750i manifold O-ring kit, BMW Z4 3.0si inlet gasket set, E90 E92 E93 inlet seals, E82 E88 intake port gasket, F30 F10 intake sealing kit, BMW six cylinder petrol intake gasket set, original BMW manifold seal kit, dealer part 11617547242, N54 boost leak fix seals, N55 vacuum leak seal set.\n  \u003c\/p\u003e\n\u003c\/div\u003e","brand":"BMW","offers":[{"title":"Default Title","offer_id":55975968244098,"sku":null,"price":35.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/5445\/8937\/files\/GenuineBMWN51N52N54N55IntakeManifoldGasketSet_Inc.135i_335i_750i_Z43.0si_-1_1946x_88daf7cc-2471-414f-9238-6a13d1d64327.jpg?v=1763324504","url":"https:\/\/mjmodifications.co.uk\/products\/genuine-bmw-n51-n52-n54-n55-intake-manifold-gasket-set-inc-135i-335i-750i-z4-3-0si","provider":"MJ Modifications","version":"1.0","type":"link"}