{"product_id":"bc-racing-zx-series-coilovers-bmw-540i-g30-rwd-b58","title":"BC Racing ZX Series Coilovers – BMW 540i (G30, RWD) B58","description":"\u003ch2\u003eOVERVIEW\u003c\/h2\u003e\n\u003cp\u003eThe BC Racing ZX Series is BC's flagship motorsport coilover with 3-way independently adjustable damping — high-speed compression, low-speed compression, and rebound — paired with external reservoirs for maximum tuning range and fade resistance. For the RWD G30 540i it delivers the most track-tested adjustability in the BC lineup with full-length adjustable ride height.\u003c\/p\u003e\n\u003ch2\u003eSPECS\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e3-way independently adjustable damping (high-speed compression, low-speed compression, and rebound)\u003c\/li\u003e\n\u003cli\u003eExternal reservoirs for increased oil capacity and consistent performance under load\u003c\/li\u003e\n\u003cli\u003eFull-length adjustable ride height — set height independent of spring preload to preserve shock travel\u003c\/li\u003e\n\u003cli\u003eMono-tube shock design with T6 aluminum lower mounts\u003c\/li\u003e\n\u003cli\u003eHigh-tensile SAE 9254 springs; Swift spring upgrade available\u003c\/li\u003e\n\u003cli\u003eFront camber plates included where the application allows\u003c\/li\u003e\n\u003cli\u003eFully rebuildable and serviceable; 1-year warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePARTS INCLUDED\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSet of 4 BC Racing ZX Series coilovers with external reservoirs, assembled with springs\u003c\/li\u003e\n\u003cli\u003eFront upper mounts \/ camber plates (application dependent)\u003c\/li\u003e\n\u003cli\u003eSpanner wrenches and damping-adjustment tools\u003c\/li\u003e\n\u003cli\u003eInstallation hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTECH RESOURCES\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eIf your car is equipped with the optional adaptive M \/ electronic (EDC) suspension, an adaptive damper (EDC) delete or bypass is required to prevent a suspension warning light (not included)\u003c\/li\u003e\n\u003cli\u003eA professional wheel alignment is required after installation\u003c\/li\u003e\n\u003cli\u003eProfessional installation and corner-balancing are recommended; installation follows the standard BC Racing coilover procedure\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePART NUMBER\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eI-78-ZX\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eVEHICLE APPLICATIONS\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eChassis\u003c\/th\u003e\n\u003cth\u003eEngine\u003c\/th\u003e\n\u003cth\u003eYear\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e540i\u003c\/td\u003e\n\u003ctd\u003eG30\u003c\/td\u003e\n\u003ctd\u003eB58 3.0L\u003c\/td\u003e\n\u003ctd\u003e2017–2023\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"BC Racing","offers":[{"title":"Default Title","offer_id":53799458373939,"sku":"I-78-ZX","price":2565.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0961\/4226\/2579\/files\/ZX-1_f1401e6e-e215-477d-81a4-698a04613f66.jpg?v=1785961342","url":"https:\/\/x58cartel.com\/products\/bc-racing-zx-series-coilovers-bmw-540i-g30-rwd-b58","provider":"x58cartel","version":"1.0","type":"link"}