{"product_id":"spec-bmw-b58-flywheel-m140i-m240i-340i-440i","title":"SPEC BMW B58 F20 F22 F30 F32 SPEC-Design Single Mass Flywheel (M140i(x), M240i(x), 340i(x) \u0026 440i(x))","description":"\u003ch4 style=\"text-align: left;\" data-mce-style=\"text-align: left;\"\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eThese kits feature a non-SAC mechanism pressure plate, which, deviating from the original design, provides a lighter rotating assembly, higher rpm capability and greater clamp load levels. Required for the install is a billet rebuildable flywheel that features a lightweight, low MOI design and infinite rebuildability.  \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote: This SPEC-designed single mass flywheel cannot be fitted to an OEM design clutch.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis flywheel is for SPEC's proprietary \u003cspan style=\"text-decoration: underline; color: #2b00ff;\"\u003e\u003cstrong\u003e\u003ca href=\"\/products\/spec-bmw-f20-f30-n55-clutches-inc-1m-m135i-m140i-m235i-m240i-335i-435i\" title=\"SPEC BMW N55 B58 E82 E89 E90 E92 F20 F30 SPEC-Design Clutches (inc. 1M, 135i, M135i, M140i, M235i, 335i \u0026amp; 435i) - \" style=\"color: #2b00ff; text-decoration: underline;\" target=\"_blank\"\u003eSPEC BMW N55 B58 E82 E89 E90 E92 F20 F30 SPEC-Design Clutches (inc. 1M, 135i, M135i, M140i, M235i, 335i \u0026amp; 435i)\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSteel or Aluminium? \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe aluminium produced one of the highest wheel hp gains we have ever seen, 17 whp (on an otherwise unmodified car).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe steel produced around 10 whp. The steel dampens more of the gear resonance and, thus, is quieter at idle with the pedal out than the aluminium. \u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eB\u003c\/span\u003eMW 1 Series - F20\/F21 B58 M140i(x)\u003c\/li\u003e\n\u003cli\u003eBMW 2 Series - F22\/F23 B58 M240i(x)\u003c\/li\u003e\n\u003cli\u003eBMW 3 Series - F30\/F31 B58 340i(x)\u003c\/li\u003e\n\u003cli\u003eBMW 4 Series - F32 B58 440i(x)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eCompatibility Check\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eTo ensure the part(s) you have ordered fits your vehicle, we run a compatibility check prior to dispatch. We can do this either using your registration number(UK) or the last 7 digits of your VIN. Simply enter your car details prior to checkout. \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eSBB58S-2 (Steel)\u003c\/p\u003e\n\u003cp\u003eSBB58A-2 (Aluminium)\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eMore Information\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eManufactured by\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSPEC\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSPEC Lifetime warranty\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 style=\"text-align: center;\" data-mce-style=\"text-align: center;\"\u003e\n\u003cb class=\"bigblack\"\u003e\u003c\/b\u003e\u003cb class=\"bigblack\"\u003e \u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\n\u003c\/h2\u003e","brand":"SPEC","offers":[{"title":"Steel","offer_id":64545059602781,"sku":"SBB58S-2","price":690.28,"currency_code":"GBP","in_stock":true},{"title":"Aluminium","offer_id":64545059635549,"sku":"SBB58A-2","price":695.06,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1069\/0009\/5325\/files\/1Xh-huZbrEdZVWdE96MQsgug6e0dD0Qno_a8a102c9-36c4-4da1-aa32-d7d40ba426d1.jpg?v=1777364859","url":"https:\/\/performancepartsdirect.co.uk\/products\/spec-bmw-b58-flywheel-m140i-m240i-340i-440i","provider":"Performance Parts Direct","version":"1.0","type":"link"}