{"product_id":"genuine-bmw-b48-b58-f20-f22-f30-f32-1mm-thick-replacement-cylinder-head-gasket-inc-m140i-m240ix-330i-440ix","title":"Genuine BMW B58 3.0L Cylinder Head Gasket 1.00mm (1mm) OEM | PN 11128654269 | Fits M140i M240i 340i 440i 540i 640i 740i X3\/X4 M40i (F20 F22 F30 F32 G30 G11 G01)","description":"\u003cdiv class=\"product__description rte\"\u003e\n  \u003ch2\u003eBMW B58 3.0 litre cylinder head seal 1.00 mm - Genuine OE PN 11128654269\u003c\/h2\u003e\n  \n  \u003cp\u003e\n    Restore factory compression, reliability and long-term sealing on your BMW straight-six turbo with this original BMW top-end gasket at 1.00 mm thickness. This authentic OE component is the correct factory spec sealing solution for the B58 3.0 litre engine found in M Performance and xDrive models. If you are rebuilding the top end, refreshing after a skim or replacing a failed seal, this is the precise part that delivers a proper leak-free result and consistent performance.\n  \u003c\/p\u003e\n\n  \u003cul\u003e\n    \u003cli\u003eOriginal BMW part for perfect alignment, correct fire ring crush and dependable oil and coolant separation\u003c\/li\u003e\n    \u003cli\u003eCorrect one millimetre thickness for applications requiring this spec on B58 engines\u003c\/li\u003e\n    \u003cli\u003eTrusted by MJ Modifications on our own builds and by happy customers for daily use, fast road and track\u003c\/li\u003e\n    \u003cli\u003eIdeal for preventative maintenance, engine refresh and top-end repairs on B58-powered cars\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eSpecification\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eThickness: 1.00 mm (+0.30)\u003c\/li\u003e\n    \u003cli\u003eBMW OE part number: 11128654269\u003c\/li\u003e\n    \u003cli\u003eManufacturer: BMW - Genuine OE component\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eVehicle applications\u003c\/h3\u003e\n  \u003cp\u003e\n    Suits BMW models equipped with the B58 3.0 litre turbocharged straight-six, including the following platforms and trims:\n  \u003c\/p\u003e\n\n  \u003cdiv class=\"compatibility-accordion-wrapper\"\u003e\n    \u003ch4\u003e1 Series\u003c\/h4\u003e\n    \u003cul\u003e\n      \u003cli\u003eF20 LCI - M140i, M140i xDrive\u003c\/li\u003e\n      \u003cli\u003eF21 LCI - M140i, M140i xDrive\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch4\u003e2 Series\u003c\/h4\u003e\n    \u003cul\u003e\n      \u003cli\u003eF22 - M240i, M240i xDrive\u003c\/li\u003e\n      \u003cli\u003eF22 LCI - M240i, M240i xDrive\u003c\/li\u003e\n      \u003cli\u003eF23 - M240i, M240i xDrive\u003c\/li\u003e\n      \u003cli\u003eF23 LCI - M240i, M240i xDrive\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch4\u003e3 Series\u003c\/h4\u003e\n    \u003cul\u003e\n      \u003cli\u003eF30 LCI - 340i, 340i xDrive\u003c\/li\u003e\n      \u003cli\u003eF31 LCI - 340i, 340i xDrive\u003c\/li\u003e\n      \u003cli\u003eF34 GT LCI - 340i, 340i xDrive\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch4\u003e4 Series\u003c\/h4\u003e\n    \u003cul\u003e\n      \u003cli\u003eF32 - 440i, 440i xDrive\u003c\/li\u003e\n      \u003cli\u003eF33 - 440i, 440i xDrive\u003c\/li\u003e\n      \u003cli\u003eF33 LCI - 440i, 440i xDrive\u003c\/li\u003e\n      \u003cli\u003eF36 Gran Coupe - 440i, 440i xDrive\u003c\/li\u003e\n      \u003cli\u003eF36 Gran Coupe LCI - 440i, 440i xDrive\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch4\u003e5 Series\u003c\/h4\u003e\n    \u003cul\u003e\n      \u003cli\u003eG30 - 540i, 540i xDrive\u003c\/li\u003e\n      \u003cli\u003eG31 - 540i xDrive\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch4\u003e6 Series\u003c\/h4\u003e\n    \u003cul\u003e\n      \u003cli\u003eG32 GT - 640i, 640i xDrive\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch4\u003e7 Series\u003c\/h4\u003e\n    \u003cul\u003e\n      \u003cli\u003eG11 - 740i\u003c\/li\u003e\n      \u003cli\u003eG12 - 740i, 740i xDrive, 740Li, 740Li xDrive\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch4\u003eX models\u003c\/h4\u003e\n    \u003cul\u003e\n      \u003cli\u003eG01 X3 - M40i xDrive\u003c\/li\u003e\n      \u003cli\u003eG02 X4 - M40i xDrive\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003ch3\u003eWhy buy from MJ Modifications\u003c\/h3\u003e\n  \u003cp\u003e\n    We build, maintain and tune B58-powered cars, and we run this genuine BMW head seal on our own workshop vehicles. Customers choose it for its exact fit, stable compression and worry-free sealing. If you want the same proven reliability, use the OE part and fit it once.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eFitting service\u003c\/h3\u003e\n  \u003cp\u003e\n    Professional installation available at MJ Modifications in Warwickshire. Request a fitting quote at \u003ca href=\"mailto:info@mjmodifications.co.uk\"\u003einfo@mjmodifications.co.uk\u003c\/a\u003e.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eCompatibility check before dispatch\u003c\/h3\u003e\n  \u003cp\u003e\n    We verify fitment for every order. Add your UK registration or the last 7 characters of your VIN at checkout so we can confirm this OE gasket matches your vehicle.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eWarranty\u003c\/h3\u003e\n  \u003cp\u003e\n    Two years manufacturer warranty for UK customers and one year manufacturer warranty for international customers when VIN is provided at checkout on compatible vehicles.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eCommon search terms\u003c\/h3\u003e\n  \u003cp\u003e\n    B58 1.00 mm cylinder head seal, BMW 3.0 litre turbo straight-six gasket, OE 1mm headgasket B58, original equipment engine top gasket, factory spec replacement for M140i M240i 340i 440i 540i 640i 740i, X3 M40i X4 M40i headgasket, F20 F21 F22 F23 F30 F31 F34 F32 F33 F36 G30 G31 G32 G11 G12 G01 G02 engine gasket, PN 11128654269 UK, genuine BMW top-end gasket, B58 head sealing plate, BMW xDrive head gasket 1mm, B58 service part.\n  \u003c\/p\u003e\n\u003c\/div\u003e","brand":"BMW","offers":[{"title":"Default Title","offer_id":55975857881474,"sku":null,"price":225.14,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/5445\/8937\/files\/GenuineBMWB58F20F22F30G301mmThickReplacementCylinderHeadGasket_Inc.M140i_M240ix_330i_440ix_-1_1946x_71ae8274-8053-409e-8e2a-390cfe514268.jpg?v=1763323015","url":"https:\/\/mjmodifications.co.uk\/products\/genuine-bmw-b48-b58-f20-f22-f30-f32-1mm-thick-replacement-cylinder-head-gasket-inc-m140i-m240ix-330i-440ix","provider":"MJ Modifications","version":"1.0","type":"link"}