{"product_id":"genuine-bmw-b58-f20-f30-g20-g30-flange-nut-with-spring-washers-inc-m140i-m240i-m340i-z4-m40i","title":"Genuine BMW B58 M7 Flange Nut with Spring Washers - OEM Engine Fastener - Part 11658670587 - Fits F20 F30 G20 G30 (M140i M240i 340i M340i 440i 540i 740i X3\/X4 M40i Z4 M40i)","description":"\u003cdiv class=\"product__description rte\"\u003e\n  \u003ch2\u003eBMW OE M7 Flanged Nut with Locking Washers - Part No. 11658670587\u003c\/h2\u003e\n\n  \u003cp\u003eRefresh your B58 straight six hardware with the authentic BMW M7 flanged nut and paired locking washers, part number 11658670587. This is the dealer-supplied, factory-spec fixing designed for precise fitment on B58-powered models. Ideal for maintenance, rebuilds and hardware replacement on performance six-cylinder applications, it delivers the correct seating and security you expect from genuine BMW engine fixings.\u003c\/p\u003e\n\n  \u003cp\u003eWe use this hardware in our own builds and servicing, and our customers consistently rate the fit, finish and long-term reliability. If you are chasing OEM accuracy, torque consistency and peace of mind, this is the right nut and washer set to install.\u003c\/p\u003e\n\n  \u003ch3\u003eKey benefits\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eOriginal BMW component for guaranteed compatibility on B58 applications\u003c\/li\u003e\n    \u003cli\u003eIncludes matching locking washers to help resist loosening under vibration\u003c\/li\u003e\n    \u003cli\u003eM7 thread size for the specified BMW B58 locations\u003c\/li\u003e\n    \u003cli\u003ePart number clearly identified for easy ordering and parts matching\u003c\/li\u003e\n    \u003cli\u003ePerfect for engine bay hardware refresh during routine service or performance upgrades\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eVehicle applications - B58 models\u003c\/h3\u003e\n  \u003cp\u003eConfirmed for B58-equipped platforms including:\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003e1 Series F20 F21 - M140i\u003c\/li\u003e\n    \u003cli\u003e2 Series F22 F23 - M240i\u003c\/li\u003e\n    \u003cli\u003e3 Series F30 F31 - 340i\u003c\/li\u003e\n    \u003cli\u003e3 Series G20 G21 - M340i\u003c\/li\u003e\n    \u003cli\u003e4 Series F32 F33 F36 - 440i\u003c\/li\u003e\n    \u003cli\u003e5 Series G30 G31 - 540i\u003c\/li\u003e\n    \u003cli\u003e6 Series G32 - 640i\u003c\/li\u003e\n    \u003cli\u003e7 Series G11 G12 - 740i\u003c\/li\u003e\n    \u003cli\u003eX3 G01 - X3 M40i\u003c\/li\u003e\n    \u003cli\u003eX4 G02 - X4 M40i\u003c\/li\u003e\n    \u003cli\u003eZ4 G29 - Z4 M40i\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003cp\u003eIf you are replacing engine fixings on F20, F30, G20, G30 and related platforms, this OE nut and washer set is the correct choice for B58 compatibility. Not sure on fitment? We can confirm before dispatch.\u003c\/p\u003e\n\n  \u003ch3\u003ePart details\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eManufacturer: BMW\u003c\/li\u003e\n    \u003cli\u003eBMW Part Number: 11658670587 (also searched as 11 65 8 670 587)\u003c\/li\u003e\n    \u003cli\u003eThread: M7\u003c\/li\u003e\n    \u003cli\u003eType: Flanged nut with locking spring washers\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eFitment check\u003c\/h3\u003e\n  \u003cp\u003eFor a quick compatibility check, add your UK registration or the last 7 of your VIN at checkout and we will verify this fixing suits your vehicle before we ship.\u003c\/p\u003e\n\n  \u003ch3\u003eProfessional fitting\u003c\/h3\u003e\n  \u003cp\u003eWant it installed correctly first time? Book fitting with MJ Modifications in Warwickshire. Email \u003ca href=\"mailto:info@mjmodifications.co.uk\"\u003einfo@mjmodifications.co.uk\u003c\/a\u003e for a quote and availability.\u003c\/p\u003e\n\n  \u003ch3\u003eWarranty\u003c\/h3\u003e\n  \u003cp\u003eTwo years manufacturer warranty for UK customers and one year for international customers when VIN is provided at checkout on compatible vehicles.\u003c\/p\u003e\n\n  \u003ch3\u003eWhy buy from us\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eTrusted supplier of genuine BMW engine fixings for B58 platforms\u003c\/li\u003e\n    \u003cli\u003eUsed in-house on customer cars for proven results\u003c\/li\u003e\n    \u003cli\u003eGreat feedback for fit and durability\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eSearch terms to help you find the right fixing\u003c\/h3\u003e\n  \u003cp\u003eBMW engine fixing M7, BMW B58 hardware kit, BMW retaining nut M7, BMW stud nut M7 B58, BMW washer set engine, B58 service hardware, 11658670587 nut, 11658670587 washer, BMW OE nut and spring washer set, BMW straight six hardware, F20 F30 G20 G30 M7 nut, M140i M240i 340i M340i 440i 540i 640i 740i engine nuts, X3 M40i X4 M40i Z4 M40i hardware refresh.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BMW","offers":[{"title":"Default Title","offer_id":55975892582786,"sku":null,"price":3.39,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/5445\/8937\/files\/GenuineBMWB58F20F30G20G30FlangeNutWithSpringWashers_Inc.M140i_M240i_M340i_Z4M40i_-1_1946x_466946a2-34de-45c0-82fb-34e1f68e6989.jpg?v=1763323045","url":"https:\/\/mjmodifications.co.uk\/products\/genuine-bmw-b58-f20-f30-g20-g30-flange-nut-with-spring-washers-inc-m140i-m240i-m340i-z4-m40i","provider":"MJ Modifications","version":"1.0","type":"link"}