{"product_id":"bc-racing-zx-series-3-way-adjustment-bmw-m135i-m140i-m235i-m240i-f2x-2012-2020","title":"BC Racing BMW M135i\/M140i\/M235i\/M240i F2x ZX Series 3 Way Adjustment Coilover","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe BC Racing ZX Series offers the highest level of adjustability within the BC Racing coilover system to date. Designed specifically for racing and track use, the ZX Series features 3-way adjustable damping force, providing 20 clicks of low-speed compression, 12 clicks of high-speed compression, and 30 clicks of rebound adjustment. The ZX Series adopts an upright cylinder design, allowing for the possibility of replacing the upper mount, while combining the excellent characteristics of the DS and ER series. Coupled with ultra-high viscosity index racing shock fluid, the ZX Series can maintain outstanding performance on the track and in drifting competitions for extended periods.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDigressive piston and damping curve\u003c\/li\u003e\n  \u003cli\u003eUltra-High viscosity index full synthetic shock fluid\u003c\/li\u003e\n  \u003cli\u003eMono-Tube\u003c\/li\u003e\n  \u003cli\u003e3-Way adjustable damping control\u003c\/li\u003e\n  \u003cli\u003e30 Clicks of rebound adjustment\u003c\/li\u003e\n  \u003cli\u003e20 Clicks of low speed compression adjustment\u003c\/li\u003e\n  \u003cli\u003e12 Clicks of high speed compression adjustment\u003c\/li\u003e\n  \u003cli\u003eDual piston design\u003c\/li\u003e\n  \u003cli\u003eTrack-Orientated setup\u003c\/li\u003e\n  \u003cli\u003eFully rebuildable\u003c\/li\u003e\n  \u003cli\u003eDefault spring rate: 5.5\/9 KG\/MM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eVehicle: BMW M135i\/M140i\/M235i\/M240i F2x\u003c\/li\u003e\n  \u003cli\u003eChassis code: F2x\u003c\/li\u003e\n  \u003cli\u003eSeries: ZX Series 3 Way Adjustment\u003c\/li\u003e\n  \u003cli\u003eYear range: 2012-2020\u003c\/li\u003e\n  \u003cli\u003eBC Racing part number: I-46-ZX\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n\u003cp\u003eTypically pre-LCI cars (2013-2015) use the 3-bolt top mount, whereas LCI cars (2015 onwards) typically use the 5-bolt top mount. Please check this on your own vehicle before purchasing.\u003c\/p\u003e\n\u003ch3\u003eWarranty \u0026amp; Support\u003c\/h3\u003e\n\u003cp\u003eThis product is covered by a 1-year warranty against manufacturers defect.\u003c\/p\u003e","brand":"BC Racing","offers":[{"title":"ZX 5.5\/9 KG.MM (3 Bolt Top Mount)","offer_id":57155759047038,"sku":"0073265","price":1914.0,"currency_code":"GBP","in_stock":true},{"title":"ZX 5.5\/9 KG.MM (5 Bolt Top Mount)","offer_id":57155759079806,"sku":"0071706","price":1914.0,"currency_code":"GBP","in_stock":true},{"title":"ZX 6.5\/9 KG.MM (5 Bolt Top Mount)","offer_id":57155759112574,"sku":"0009938","price":1914.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0280\/7568\/8011\/files\/ZX-1_fe837459-b168-442c-a72f-f440aabb2aa5.jpg?v=1774281288","url":"https:\/\/r44performance.com\/products\/bc-racing-zx-series-3-way-adjustment-bmw-m135i-m140i-m235i-m240i-f2x-2012-2020","provider":"R44 Performance","version":"1.0","type":"link"}