{"title":"BMW - Valve springs","description":null,"products":[{"product_id":"bmw-performance-valve-springs-m57-m57n-m57n2","title":"BMW Performance Valve Springs - M57, M57N, M57N2","description":"\u003ch3\u003eBMW stiffer valve springs for M57, M57N, M57N2 engines.\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eApproximately 30% stiffer than OEM valve springs\u003c\/li\u003e\n\u003cli\u003ePrevents valve float at higher power outputs\u003c\/li\u003e\n\u003cli\u003eDesigned for use with OEM and upgraded camshafts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eIncluded in delivery\u003c\/h4\u003e\n\u003cp\u003e24 x Performance valve springs\u003c\/p\u003e\n\u003ch4\u003eChassis Models\u003c\/h4\u003e\n\u003cp\u003eE38 \/ E39 \/ E46 \/ E53 \/ E60 \/ E60N \/ E61 \/ E61N \/ E63N \/ E64N \/ E65 \/ E66 \/ E70 \/ E70N \/ E71 \/ E83 \/ E83N \/ E90 \/ E90N \/ E91 \/ E91N \/ E92 \/ E92N \/ E93\u003c\/p\u003e\n\u003ch4\u003eModels\u003c\/h4\u003e\n\u003cp\u003e325d \/ 330Cd \/ 330d \/ 330xd \/ 335d \/ 520d \/ 525d \/ 525xd \/ 530d \/ 530xd \/ 535d \/ 635d \/ 730d \/ 730Ld \/ 740d \/ X3 3.0d \/ X3 3.0sd \/ X5 3.0d \/ X5 3.0sd \/ X5 3.5d \/ X5 35dX \/ X6 30dX SAC \/ X6 35dX SAC\u003c\/p\u003e\n\u003ch4\u003eEngines\u003c\/h4\u003e\n\u003cp\u003eM57 \/ M57N \/ M57N2 \/ M67\u003c\/p\u003e\n\u003ch4\u003eReplaces BMW part numbers\u003c\/h4\u003e\n\u003cp\u003e11 34 2 247 172 - 11342247172 - 2 247 172 - 2247172\u003c\/p\u003e","brand":"Darkside Developments","offers":[{"title":"Default Title","offer_id":48879260598619,"sku":"BMW9220","price":497.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/9937\/5126\/files\/b37df4aa-b3d6-4267-962b-ab0edbcf3554__94746.1707477743.png?v=1724177723"},{"product_id":"kelford-kvs48-bt-valve-spring-bmw-b48","title":"Kelford KVS48-BT Valve Spring - BMW B48","description":"\u003ch3\u003eKelford KVS48-BT Valve Spring - BMW B48\u003c\/h3\u003e\n\u003cp\u003e90lb seat pressure at 36.5mm installed height. 193lb at 11.0mm valve lift.\u003c\/p\u003e","brand":"Kelford","offers":[{"title":"Default Title","offer_id":53518836466011,"sku":"KVS48-BT","price":559.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/9937\/5126\/files\/kelford-kvs48-bt_63118933-ed94-4fc1-a3b2-ce6b307e63a7.png?v=1783332550"},{"product_id":"kelford-bmw-b58-s58-valve-springs","title":"KELFORD BMW B58\/S58 VALVE SPRINGS","description":"\u003ch3\u003eKELFORD BMW B58\/S58 VALVE SPRINGS\u003c\/h3\u003e\n\u003cp\u003eValve spring and Titanium retainer kit is designed to work seamlessly with the BMW M Series S58 3.0L Inline 6. Made using high-performance PACALOY™, a beehive valve spring and titanium retainers, this kit is sure to offer outstanding performance.\u003c\/p\u003e\n\u003cp\u003eOur kit is specifically engineered to work well with our Stage 1, Stage 2, and Stage 3 camshafts to provide exceptional quality, reliability, and performance.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e90lb seat pressure at 36.5mm installed height. 193lb at 11.0mm valve lift.\u003c\/li\u003e\n\u003cli\u003eSpring coil bind height at 23.6mm.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Kelford","offers":[{"title":"Default Title","offer_id":53974172696923,"sku":"KVS58 BT","price":773.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/9937\/5126\/files\/B58-Valve-Springs-with-Titianum-Retainers-1.webp?v=1788555435"},{"product_id":"kelford-gr-yaris-corolla-in-car-valve-spring-tool-copy","title":"Kelford KVS58-BTX | B58 \/ S58 Extreme","description":"\u003ch3\u003eKelford KVS58-BTX | B58 \/ S58 Extreme\u003c\/h3\u003e\n\u003cp\u003eHigh Energy, Extreme Racing Valve Springs designed for BMW B58 \/ S58 3.0L inline 6 Engine. High performance, progressively wound PACALOY beehive valve spring with titanium retainers.\u003c\/p\u003e\n\u003cp\u003eThis kit utilises a precision machined spring seat to max out the seat pressure for high boost, high horsepower builds. Specifically designed for Kelford Cams Stage 2 \u0026amp; Stage 3 Camshafts for engines making over 1000HP.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e105lb seat pressure at 35mm installed height.\u003c\/li\u003e\n\u003cli\u003e210lb at 10.8mm valve lift.\u003c\/li\u003e\n\u003cli\u003eSpring coil bind height at 23.6mm.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Kelford","offers":[{"title":"Default Title","offer_id":54071107944795,"sku":"KVS58-BTX","price":990.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/9937\/5126\/files\/extreme-valve-springs-for-BMW-B58-and-S58-Engine-2_313c0ba2-2a0a-445b-bdc6-afe1965613e1.webp?v=1789499596"},{"product_id":"brian-crower-bc0326-beehive-spring-titanium-retainer-kit-toyota-bmw-b58","title":"Brian Crower BC0326 Beehive Spring \u0026 Titanium Retainer Kit - Toyota \/ BMW B58","description":"\u003ch1\u003eBrian Crower Beehive Spring \u0026amp; Titanium Retainer Kit – Toyota \/ BMW B58\u003c\/h1\u003e\n\u003cp\u003eDesigned for high rpm, BC valve springs by PAC Racing are wound from super clean chrome silicon alloy, with proprietary processing for consistent pressures.\u003c\/p\u003e\n\u003cp\u003eTitanium retainers reduce valvetrain mass.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSpring: BC1326 Single Beehive\u003c\/li\u003e\n\u003cli\u003eFree length: 1.607\" (40.82 mm)\u003c\/li\u003e\n\u003cli\u003eSeat pressure: 80 lbs (356 N) @ 1.450\" (36.83 mm)\u003c\/li\u003e\n\u003cli\u003eOpen pressure: 180 lbs (801 N) @ 0.950\" (24.13 mm)\u003c\/li\u003e\n\u003cli\u003eCoil bind: 0.910\" (23.11 mm)\u003c\/li\u003e\n\u003cli\u003eRetainer: BC2325\/BC2326\u003c\/li\u003e\n\u003cli\u003eSpring seat: OEM\u003c\/li\u003e\n\u003cli\u003eMax. net cam lift: 0.480\" \/ 12.19 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePackage contents:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eValve springs\u003c\/li\u003e\n\u003cli\u003eRetainers (titanium)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eToyota \/ BMW B58\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Brian Crower","offers":[{"title":"Default Title","offer_id":55180911771995,"sku":"BC0326","price":454.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/9937\/5126\/files\/imagephotoaid-removed-background__8.png?v=1794601267"},{"product_id":"brian-crower-bc0326-16-beehive-spring-titanium-retainer-kit-bmw-mini-b48","title":"Brian Crower BC0326-16 Beehive Spring \u0026 Titanium Retainer Kit - BMW \/ Mini B48","description":"\u003ch1\u003eBrian Crower Beehive Spring \u0026amp; Titanium Retainer Kit – BMW \/ Mini B48\u003c\/h1\u003e\n\u003cp\u003eDesigned for high rpm, BC valve springs by PAC Racing are wound from super clean chrome silicon alloy, with proprietary processing for consistent pressures.\u003c\/p\u003e\n\u003cp\u003eTitanium retainers reduce valvetrain mass.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSpring: BC1326 Single Beehive\u003c\/li\u003e\n\u003cli\u003eFree length: 1.607\" (40.82 mm)\u003c\/li\u003e\n\u003cli\u003eSeat pressure: 80 lbs (356 N) @ 1.450\" (36.83 mm)\u003c\/li\u003e\n\u003cli\u003eOpen pressure: 180 lbs (801 N) @ 0.950\" (24.13 mm)\u003c\/li\u003e\n\u003cli\u003eCoil bind: 0.910\" (23.11 mm)\u003c\/li\u003e\n\u003cli\u003eRetainer: BC2325\/BC2326\u003c\/li\u003e\n\u003cli\u003eSpring seat: OEM\u003c\/li\u003e\n\u003cli\u003eMax. net cam lift: 0.480\" \/ 12.19 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePackage contents:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eValve springs\u003c\/li\u003e\n\u003cli\u003eRetainers (titanium)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBMW \/ Mini B48\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Brian Crower","offers":[{"title":"Default Title","offer_id":55180917440859,"sku":"BC0326-16","price":301.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/9937\/5126\/files\/imagephotoaid-removed-background__6.png?v=1794601324"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/9937\/5126\/collections\/bmw_logo_black_1_7976b25a-e6fb-4b1b-9999-f35654ceb729.png?v=1794600866","url":"https:\/\/www.qtparts.fi\/en-gb\/collections\/bmw-venttiilijouset.oembed","provider":"QT Parts","version":"1.0","type":"link"}