{"title":"X3 \/ X4 M40i (G01\/G02) Suspension","description":"\u003cp\u003eSuspension for the BMW X3 \/ X4 M40i G01\/G02 (B58): coilovers, lowering springs and shocks. Check the vehicle applications table on each product for exact fitment.\u003c\/p\u003e","products":[{"product_id":"dinan-performance-spring-set-2018-2025-bmw-x3-m40i-x4-m40i","title":"Dinan Performance Spring Set - 2018-2025 BMW X3 M40i\/X4 M40i","description":"\u003ch2\u003eOVERVIEW\u003c\/h2\u003e\n\u003cp\u003eDinan performance springs are engineered to bow like factory springs, reducing pressure on the strut bushing for a longer serviceable life and quieter ride than typical aftermarket lowering springs. This set gives the X3 M40i \/ X4 M40i greater control over body roll via carefully calibrated spring rates.\u003c\/p\u003e\n\u003ch2\u003eSPECS\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCalibrated spring rates reduce body roll and improve handling\u003c\/li\u003e\n\u003cli\u003eBows like factory springs to reduce strut bushing wear\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePARTS INCLUDED\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1x performance spring set (front and rear)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTECH RESOURCES\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0961\/4226\/2579\/files\/23c257faf8389de16762e3cf2385ac6abc9a820f.pdf?v=1785452306\" rel=\"noopener\" target=\"_blank\"\u003eInstallation Instructions (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003eRecommended pairing: Dinan \u003ca href=\"https:\/\/x58cartel.com\/products\/dinan-supplemental-ride-quality-handling-kit-2018-2026-bmw-330i-m340i-m440i-x3-m40i-x4-m40i-x5m-x6m\"\u003eSupplemental Ride Quality \u0026amp; Handling Kit (D193-0121)\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePART NUMBER\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eD100-0942\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\u003eYears\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eX3 M40i\u003c\/td\u003e\n\u003ctd\u003eG01\u003c\/td\u003e\n\u003ctd\u003eB58\u003c\/td\u003e\n\u003ctd\u003e2018–2024\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eX4 M40i\u003c\/td\u003e\n\u003ctd\u003eG02\u003c\/td\u003e\n\u003ctd\u003eB58\u003c\/td\u003e\n\u003ctd\u003e2018–2025\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Dinan","offers":[{"title":"Default Title","offer_id":53596423848243,"sku":"D100-0942","price":349.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0961\/4226\/2579\/files\/1fdcae609165664a7a666557ef034562d53b63d0.jpg?v=1783036834"},{"product_id":"h-r-sport-springs-bmw-x3-m40i-x4-m40i-g01-g02","title":"H\u0026R Sport Springs - BMW X3 M40i\/X4 M40i (G01\/G02)","description":"\u003ch2\u003eOVERVIEW\u003c\/h2\u003e\n\u003cp\u003eH\u0026amp;R ride-development engineers designed this Sport Spring set for the B58-powered X3 M40i and X4 M40i for a reduced fender-well gap and refined handling. Lowering the vehicle's center of gravity improves handling and creates a sleeker European look while retaining excellent everyday ride comfort.\u003c\/p\u003e\n\u003ch2\u003eSPECS\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eApprox. lowering: X3 M40i 1.4\" front \/ 0.80\" rear — X4 M40i 1.3\" front \/ 0.75\" rear\u003c\/li\u003e\n\u003cli\u003eWorks with factory shocks or aftermarket shocks designed for stock springs\u003c\/li\u003e\n\u003cli\u003eProgressive spring-rate design for a superb balance of handling and comfort\u003c\/li\u003e\n\u003cli\u003e100% made in Germany from 54SiCr6 spring steel (290,000 psi tensile strength)\u003c\/li\u003e\n\u003cli\u003ePremium epoxy powder coating for corrosion resistance\u003c\/li\u003e\n\u003cli\u003eLimited lifetime warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePARTS INCLUDED\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e2 front and 2 rear H\u0026amp;R Sport lowering springs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTECH RESOURCES\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eWorks with factory shocks or aftermarket shocks designed for stock springs\u003c\/li\u003e\n\u003cli\u003eInstallation \u0026amp; technical guide (PDF): \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0961\/4226\/2579\/files\/hr_technical_info.pdf?v=1785886768\"\u003eH\u0026amp;R Installation \u0026amp; Technical Guide\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePART NUMBER\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e28926-1\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\u003eX3 M40i (incl. xDrive30i w\/ M Sport Suspension)\u003c\/td\u003e\n\u003ctd\u003eG01\u003c\/td\u003e\n\u003ctd\u003eB58\u003c\/td\u003e\n\u003ctd\u003e2018–2024\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eX4 M40i\u003c\/td\u003e\n\u003ctd\u003eG02\u003c\/td\u003e\n\u003ctd\u003eB58\u003c\/td\u003e\n\u003ctd\u003e2019–2025\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"H\u0026R","offers":[{"title":"Default Title","offer_id":53604191207731,"sku":"28926-1","price":330.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0961\/4226\/2579\/files\/c28926-1__large_38bfdb84-2ac8-4bfc-8747-860536e4cbd6.jpg?v=1783122511"},{"product_id":"dinan-supplemental-ride-quality-handling-kit-2018-2026-bmw-330i-m340i-m440i-x3-m40i-x4-m40i-x5m-x6m","title":"Dinan Supplemental Ride Quality \u0026 Handling Kit - 2018-2026 BMW 330i\/M340i\/M440i\/X3 M40i\/X4 M40i\/X5M\/X6M","description":"\u003ch2\u003eOVERVIEW\u003c\/h2\u003e\n\u003cp\u003eTo fully realize the benefits of a Dinan Performance Spring Set, pair it with the Supplemental Ride Quality \u0026amp; Handling Kit. The kit adds tuned, progressive-rate bump stops that maximize suspension travel on a lowered car — negating the sudden \"bottoming out\" that commonly comes with lowering, while optimizing the effective spring rate for added mechanical grip and cornering power. The result is a car that rides better and handles harder than a spring set alone. Designed to be installed alongside the corresponding Dinan spring set.\u003c\/p\u003e\n\u003ch2\u003eSPECS\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eTuned, progressive-rate bump stops\u003c\/li\u003e\n\u003cli\u003ePreserves full suspension compression travel on lowered vehicles\u003c\/li\u003e\n\u003cli\u003eImproves ride quality and adds mechanical grip vs. springs alone\u003c\/li\u003e\n\u003cli\u003eDesigned to pair with the matching Dinan Performance Spring Set\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePARTS INCLUDED\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eProgressive-rate bump stops (front and rear as applicable)\u003c\/li\u003e\n\u003cli\u003eAssociated hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTECH RESOURCES\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0961\/4226\/2579\/files\/d4bcac2072745467a69d3cddaaac8bee40686b16.pdf?v=1785452306\" rel=\"noopener\" target=\"_blank\"\u003eInstallation Instructions (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003eRequired companion for best results — pair with the \u003ca href=\"\/products\/dinan-performance-spring-set-2019-2026-bmw-330i-m340i-m440i-xdrive\"\u003eDinan Performance Spring Set (M340i\/M440i)\u003c\/a\u003e or the \u003ca href=\"\/products\/dinan-performance-spring-set-2018-2025-bmw-x3-m40i-x4-m40i\"\u003eDinan Performance Spring Set (X3\/X4 M40i)\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eInstall labor is negligible when done at the same time as the corresponding Dinan Spring Set.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePART NUMBER\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eD193-0121\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\u003eM340i (xDrive)\u003c\/td\u003e\n\u003ctd\u003eG20\u003c\/td\u003e\n\u003ctd\u003eB58\u003c\/td\u003e\n\u003ctd\u003e2019+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM440i (xDrive)\u003c\/td\u003e\n\u003ctd\u003eG22\u003c\/td\u003e\n\u003ctd\u003eB58\u003c\/td\u003e\n\u003ctd\u003e2021+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eX3 M40i\u003c\/td\u003e\n\u003ctd\u003eG01\u003c\/td\u003e\n\u003ctd\u003eB58\u003c\/td\u003e\n\u003ctd\u003e2018–2024\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eX4 M40i\u003c\/td\u003e\n\u003ctd\u003eG02\u003c\/td\u003e\n\u003ctd\u003eB58\u003c\/td\u003e\n\u003ctd\u003e2018–2025\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eX5 M\u003c\/td\u003e\n\u003ctd\u003eF95\u003c\/td\u003e\n\u003ctd\u003eS58\u003c\/td\u003e\n\u003ctd\u003e2020–2026\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eX6 M\u003c\/td\u003e\n\u003ctd\u003eF96\u003c\/td\u003e\n\u003ctd\u003eS58\u003c\/td\u003e\n\u003ctd\u003e2020–2026\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003eAlso fits the B48 330i (xDrive); confirm exact model years against Dinan's application guide.\u003c\/em\u003e\u003c\/p\u003e","brand":"Dinan","offers":[{"title":"Default Title","offer_id":53762125922611,"sku":"D193-0121","price":158.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0961\/4226\/2579\/files\/1df9e563c9f58d03176d05886566ffdf5f7203e8.avif?v=1785529938"},{"product_id":"bc-racing-br-series-coilovers-bmw-x3-m40i-x4-m40i-g01-g02-b58","title":"BC Racing BR Series Coilovers – BMW X3 M40i \/ X4 M40i (G01\/G02) B58","description":"\u003ch2\u003eOVERVIEW\u003c\/h2\u003e\n\u003cp\u003eThe BC Racing BR Series is the most popular coilover BC makes — a fully height- and damping-adjustable kit that works equally well as a daily-driver drop or a weekend track setup. For the AWD G01 X3 M40i and G02 X4 M40i it pairs 30-way adjustable damping with full-length adjustable ride height, so you can lower the vehicle and still preserve shock travel and ride quality.\u003c\/p\u003e\n\u003ch2\u003eSPECS\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e30-way adjustable damping (compression and rebound together)\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 BR Series coilovers, 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 vehicle is equipped with the optional adaptive M \/ 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-100-BR-RA\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\u003eX3 M40i\u003c\/td\u003e\n\u003ctd\u003eG01\u003c\/td\u003e\n\u003ctd\u003eB58 3.0L\u003c\/td\u003e\n\u003ctd\u003e2018–2024\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eX4 M40i\u003c\/td\u003e\n\u003ctd\u003eG02\u003c\/td\u003e\n\u003ctd\u003eB58 3.0L\u003c\/td\u003e\n\u003ctd\u003e2019–2025\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"BC Racing","offers":[{"title":"Default Title","offer_id":53799454736691,"sku":"I-100-BR-RA","price":1215.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0961\/4226\/2579\/files\/BC_BR_4456224a-720e-47f1-8b3a-c25adf437f2e.jpg?v=1785961342"},{"product_id":"bc-racing-ds-series-coilovers-bmw-x3-m40i-x4-m40i-g01-g02-b58","title":"BC Racing DS Series Coilovers – BMW X3 M40i \/ X4 M40i (G01\/G02) B58","description":"\u003ch2\u003eOVERVIEW\u003c\/h2\u003e\n\u003cp\u003eThe BC Racing DS Series brings the same 30-way adjustable damping as the BR Series with firmer, more track-focused valving. For the AWD G01 X3 M40i and G02 X4 M40i it's the choice when you want a more aggressive setup than the BR while keeping full ride-height and damping adjustment.\u003c\/p\u003e\n\u003ch2\u003eSPECS\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e30-way adjustable damping (compression and rebound together)\u003c\/li\u003e\n\u003cli\u003eFull-length adjustable ride height with a shorter shock body for lower, more aggressive stances\u003c\/li\u003e\n\u003cli\u003eMono-tube design with a fixed lower spring seat\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 DS Series coilovers, 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 vehicle is equipped with the optional adaptive M \/ 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-100-DS-DA\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\u003eX3 M40i\u003c\/td\u003e\n\u003ctd\u003eG01\u003c\/td\u003e\n\u003ctd\u003eB58 3.0L\u003c\/td\u003e\n\u003ctd\u003e2018–2024\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eX4 M40i\u003c\/td\u003e\n\u003ctd\u003eG02\u003c\/td\u003e\n\u003ctd\u003eB58 3.0L\u003c\/td\u003e\n\u003ctd\u003e2019–2025\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"BC Racing","offers":[{"title":"Default Title","offer_id":53799454834995,"sku":"I-100-DS-DA","price":1415.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0961\/4226\/2579\/files\/BC_DS_2759cad8-7eba-4081-9186-428c57e56fef.jpg?v=1785961344"}],"url":"https:\/\/x58cartel.com\/collections\/x3-x4-m40i-g01-g02-suspension.oembed","provider":"x58Cartel","version":"1.0","type":"link"}