{"title":"X3M\/X4M Fueling","description":"\u003cp\u003ePerformance fueling upgrades for the BMW X3M \/ X4M (F97\/F98). Every part listed here fits your car.\u003c\/p\u003e","products":[{"product_id":"burger-motorsports-s58-bmw-m2-m3-m4-x3m-x4m-flex-fuel-ethanol-content-sensor-for-e85-fuel-monitoring","title":"Burger Motorsports S58 BMW M2 M3 M4 X3M X4M Flex Fuel Ethanol Content Sensor for E85 Fuel Monitoring","description":"\u003ch2\u003eOVERVIEW\u003c\/h2\u003e\n\u003cp\u003eThe BMS CANflex kit gives the S58-powered BMW M2, M3, M4, X3M, and X4M a clean, accurate way to read ethanol content and feed that data directly to your tune, letting you run E85 with confidence. The CANflex ECA combines an ethanol content analyzer, E85 analyzer, and Bluetooth flex fuel analyzer into one compact system, reading fuel mixture via a genuine Continental ethanol sensor and outputting via CANbus, Bluetooth, a built-in LED display, and 5V legacy output.\u003c\/p\u003e\n\u003ch2\u003eSPECS\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCANbus with user-selectable addressing for MHD, BM3, EcuTek, and JB4 integration\u003c\/li\u003e\n\u003cli\u003eFree CANflex Bluetooth app for iOS and Android\u003c\/li\u003e\n\u003cli\u003eLED display built into the head unit for a quick visual readout\u003c\/li\u003e\n\u003cli\u003e5V output for legacy support (older ECUs or non-CANbus JB4 integration)\u003c\/li\u003e\n\u003cli\u003eAvailable with a plug-and-play harness or a universal harness (manual transmission vehicles and BM3 require the universal harness with posi-taps for CANbus)\u003c\/li\u003e\n\u003cli\u003eWiring reference: Red = 12V switched power (fuse tap\/posi-tap), Black = chassis ground, Brown = CAN-, Green = CAN+, Blue = 5V legacy output for JB4\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePARTS INCLUDED\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Continental ethanol sensor\u003c\/li\u003e\n\u003cli\u003eBMS CANflex LED ECA (JB4\/MHD\/EcuTek\/BM3 compatible)\u003c\/li\u003e\n\u003cli\u003eStainless steel braided fuel lines with black nylon sheathing\u003c\/li\u003e\n\u003cli\u003eCustom fitting with 1\/8\" NPT port for optional port injection lines\u003c\/li\u003e\n\u003cli\u003eBMW\/Supra accessory harness for S58\/B58 motors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTECH RESOURCES\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eInstalls in about 30 minutes with the optional plug-and-play harness\u003c\/li\u003e\n\u003cli\u003eDownload the free CANflex app for iOS or Android to pair via Bluetooth\u003c\/li\u003e\n\u003cli\u003eSee BMS's install videos for a step-by-step walkthrough\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\u003eX3M\u003c\/td\u003e\n\u003ctd\u003eF97\u003c\/td\u003e\n\u003ctd\u003eS58\u003c\/td\u003e\n\u003ctd\u003e2020–2024\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eX4M\u003c\/td\u003e\n\u003ctd\u003eF98\u003c\/td\u003e\n\u003ctd\u003eS58\u003c\/td\u003e\n\u003ctd\u003e2020–2025\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM2\u003c\/td\u003e\n\u003ctd\u003eG87\u003c\/td\u003e\n\u003ctd\u003eS58\u003c\/td\u003e\n\u003ctd\u003e2023+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM3\u003c\/td\u003e\n\u003ctd\u003eG80\u003c\/td\u003e\n\u003ctd\u003eS58\u003c\/td\u003e\n\u003ctd\u003e2021+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM4\u003c\/td\u003e\n\u003ctd\u003eG82\/G83\u003c\/td\u003e\n\u003ctd\u003eS58\u003c\/td\u003e\n\u003ctd\u003e2021+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM4 CSL\u003c\/td\u003e\n\u003ctd\u003eG82\u003c\/td\u003e\n\u003ctd\u003eS58\u003c\/td\u003e\n\u003ctd\u003e2023+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Burger Motorsports","offers":[{"title":"G8X S58 M2 M3 M4 \/ Complete Kit with CANbus\/LED\/Bluetoth ECA with PnP Harness","offer_id":53509186322739,"sku":null,"price":479.0,"currency_code":"USD","in_stock":true},{"title":"G8X S58 M2 M3 M4 \/ Complete Kit with CANbus\/LED\/Bluetoth ECA withUniversal Harness","offer_id":53509186355507,"sku":null,"price":459.0,"currency_code":"USD","in_stock":true},{"title":"G8X S58 M2 M3 M4 \/ Complete Kit Without ECA for JB4PRO\/CANfuel\/Reflex","offer_id":53509186388275,"sku":null,"price":299.0,"currency_code":"USD","in_stock":true},{"title":"F9X S58 X3M X4M \/ Complete Kit with CANbus\/LED\/Bluetoth ECA with PnP Harness","offer_id":53509186421043,"sku":null,"price":479.0,"currency_code":"USD","in_stock":true},{"title":"F9X S58 X3M X4M \/ Complete Kit with CANbus\/LED\/Bluetoth ECA withUniversal Harness","offer_id":53509186453811,"sku":null,"price":459.0,"currency_code":"USD","in_stock":true},{"title":"F9X S58 X3M X4M \/ Complete Kit Without ECA for JB4PRO\/CANfuel\/Reflex","offer_id":53509186486579,"sku":null,"price":299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0961\/4226\/2579\/files\/S58_hi_flow_g8x_1__LED_1_86c930b2-6e2a-4474-bd69-fe7d8887d9da.webp?v=1781727361"},{"product_id":"s58-bmw-port-injection-kit","title":"Burger Motorsports BMW M2, M3, M4, X3M, \u0026 X4M Port Injection Kit for the S58 Motor","description":"\u003ch2\u003eOVERVIEW\u003c\/h2\u003e\n\u003cp\u003eThe Fuel-It! S58 BMW Port Injection Kit is the ultimate fueling solution for 2020+ S58-powered BMWs making big power or running E85, adding six supplemental low-pressure fuel injectors to support fueling up to 1000+ whp. Compatible with pump gas, race gas, methanol, and E85.\u003c\/p\u003e\n\u003ch2\u003eSPECS\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCNC machined and anodized for long service life; made in the USA\u003c\/li\u003e\n\u003cli\u003eRequires injectors to function — order Flow Matched DW or IDX 42mm injectors with the kit (550cc up to 750whp, 750cc up to 850whp, 950cc up to 950whp, 1050cc up to 1100whp) or supply your own\u003c\/li\u003e\n\u003cli\u003eRequires a port injection controller — BMS controller for JB4 setups, or a stand-alone controller for flash-only\/factory ECU setups\u003c\/li\u003e\n\u003cli\u003eRecommended with a flex fuel kit if running ethanol blends, for accurate real-time ethanol content readings (fill-to-fill content can vary significantly)\u003c\/li\u003e\n\u003cli\u003eOptional Fuel-It! CANfuel Sequential Port Fuel Injection Controller (discounted when purchased with this kit) enables sequential control of up to 8 injectors plus additional sensor inputs over CANbus\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePARTS INCLUDED\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFuel-It! S58 billet fuel rail\u003c\/li\u003e\n\u003cli\u003eStainless steel braided fuel line with black nylon sheathing\u003c\/li\u003e\n\u003cli\u003eBillet tee fitting (compatible with stock fuel lines and the flex fuel kit)\u003c\/li\u003e\n\u003cli\u003e-6AN ORB fitting and plug\u003c\/li\u003e\n\u003cli\u003e1\/8\" NPT plugs\u003c\/li\u003e\n\u003cli\u003eStainless mounting screws\u003c\/li\u003e\n\u003cli\u003eInjector installation jig with screw\u003c\/li\u003e\n\u003cli\u003e21\/64 drill bit for opening the factory injector bosses\u003c\/li\u003e\n\u003cli\u003eSuperlube\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTECH RESOURCES\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eComplete plug-and-play install, taking about 30 minutes\u003c\/li\u003e\n\u003cli\u003eIf you already have a Fuel-It! flex fuel kit installed, select the corresponding variant to receive the correct line length from the ethanol sensor to the tee fitting (the original flex fuel kit's line is too long once the tee fitting is added)\u003c\/li\u003e\n\u003cli\u003eSee BMS's install video for a full walkthrough\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePART NUMBER\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eBMW-S58-PIK (base kit; flex-fuel-paired configurations use BMW-S58-PIK-FFKL \/ BMW-S58-PIK-FFK-G8X \/ BMW-S58-PIK-FFK-F9X)\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\u003eM2\u003c\/td\u003e\n\u003ctd\u003eG87\u003c\/td\u003e\n\u003ctd\u003eS58\u003c\/td\u003e\n\u003ctd\u003e2023+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM3 (incl. Competition)\u003c\/td\u003e\n\u003ctd\u003eG80\u003c\/td\u003e\n\u003ctd\u003eS58\u003c\/td\u003e\n\u003ctd\u003e2021+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM4 (incl. Competition)\u003c\/td\u003e\n\u003ctd\u003eG82\u003c\/td\u003e\n\u003ctd\u003eS58\u003c\/td\u003e\n\u003ctd\u003e2021+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM4 Convertible\u003c\/td\u003e\n\u003ctd\u003eG83\u003c\/td\u003e\n\u003ctd\u003eS58\u003c\/td\u003e\n\u003ctd\u003e2022+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eX3M (incl. Competition)\u003c\/td\u003e\n\u003ctd\u003eF97\u003c\/td\u003e\n\u003ctd\u003eS58\u003c\/td\u003e\n\u003ctd\u003e2020–2024\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eX4M (incl. Competition)\u003c\/td\u003e\n\u003ctd\u003eF98\u003c\/td\u003e\n\u003ctd\u003eS58\u003c\/td\u003e\n\u003ctd\u003e2020–2025\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Burger Motorsports","offers":[{"title":"Do not include injectors \/ Do not add PI controller \/ Do not add a flex fuel kit","offer_id":53509214634291,"sku":"BMW-S58-PIK","price":699.0,"currency_code":"USD","in_stock":true},{"title":"Do not include injectors \/ Do not add PI controller \/ I already have your flex fuel kit on my M2\/M3\/M4 +[$99]","offer_id":53509214667059,"sku":"BMW-S58-PIK-FFKL","price":798.0,"currency_code":"USD","in_stock":true},{"title":"Do not include injectors \/ Do not add PI controller \/ I already have your flex fuel kit on my X3M\/X4M +[$99]","offer_id":53509214699827,"sku":"BMW-S58-PIK-FFKL","price":798.0,"currency_code":"USD","in_stock":true},{"title":"Do not include injectors \/ Do not add PI controller \/ Add a Fuel-It! flex fuel kit for M2\/M3\/M4 +[$429]","offer_id":53509214732595,"sku":"BMW-S58-PIK-FFK-G8X","price":1128.0,"currency_code":"USD","in_stock":true},{"title":"Do not include injectors \/ Do not add PI controller \/ Add a Fuel-It! flex fuel kit for X3M\/X4M +[$429]","offer_id":53509214765363,"sku":"BMW-S58-PIK-FFK-F9X","price":1128.0,"currency_code":"USD","in_stock":true},{"title":"Do not include injectors \/ Do not add PI controller \/ Add a CANflex flex fuel kit for M2\/M3\/M4 +[$429]","offer_id":53509214798131,"sku":"BMW-S58-PIK-CAN-G8X","price":1128.0,"currency_code":"USD","in_stock":true},{"title":"Do not include injectors \/ Do not add PI controller \/ Add a CANflex flex fuel kit for X3M\/X4M +[$429]","offer_id":53509214830899,"sku":"BMW-S58-PIK-CAN-F9X","price":1128.0,"currency_code":"USD","in_stock":true},{"title":"Do not include injectors \/ Fuel-It! 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CANfuel Sequential Port Fuel Injection Controller [+$499.00] Save $100 \/ Add a CANflex flex fuel kit for X3M\/X4M +[$429]","offer_id":53509216895283,"sku":null,"price":2526.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0961\/4226\/2579\/files\/S58-Port-Injection-BMW-M3-m4-X3M-X4M_3900200f-0da0-4550-b58c-b3e1bdb3f4dc.webp?v=1781730433"},{"product_id":"precision-raceworks-x3-x3m-g01-f97-stand-alone-afs™-bmw-b58-s58","title":"Precision Raceworks X3\/X3M (G01\/F97) Stand Alone AFS™ – BMW B58\/S58","description":"\u003ch2\u003eOVERVIEW\u003c\/h2\u003e\n\u003cp\u003eOnce you add port injection to a direct-injected X3 M40i (B58) or X3 M (S58), the factory low-pressure fuel system becomes the weak link. The factory pump is PWM-controlled to reduce output once target fuel pressure is reached, putting it in constant conflict with any pump trying to feed port injection, and the HPFP's control system dumps fuel back at high pressure\/low volume, causing pressure oscillations. The Precision Raceworks Stand Alone AFS™ solves this by adding a completely dedicated, independent fuel system just for port injection — now with plug-and-play connectors and AN8 adapters, so the factory harness no longer needs to be cut.\u003c\/p\u003e\n\u003ch2\u003eSPECS\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFully separate low-pressure fuel system for port injection, independent of the factory pump and PWM control\u003c\/li\u003e\n\u003cli\u003eBillet aluminum top hat with 3 high-flow fuel ports\u003c\/li\u003e\n\u003cli\u003eFully adjustable, 1:1 boost-scalable billet fuel pressure regulator\u003c\/li\u003e\n\u003cli\u003e10-micron USA-made Microglass fuel filter, ideal for E85\u003c\/li\u003e\n\u003cli\u003eSmooth-bore, high-flow PTFE feed and return lines (AN6)\u003c\/li\u003e\n\u003cli\u003ePump options: AFS.460 (single Walbro 535, 460 LPH @ 3 bar), AFS.800 (dual Walbro 535s, 800 LPH combined @ 3 bar)\u003c\/li\u003e\n\u003cli\u003e100% E85 compatible across all components\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePARTS INCLUDED\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eWalbro fuel pump(s) per configuration\u003c\/li\u003e\n\u003cli\u003eBillet top hat and fuel pressure regulator\u003c\/li\u003e\n\u003cli\u003e10-micron Microglass fuel filter\u003c\/li\u003e\n\u003cli\u003ePTFE feed\/return lines and fittings\u003c\/li\u003e\n\u003cli\u003eConfigurable pump activation harness\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTECH RESOURCES\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for port injection kits where the fuel rail mounts above the manifold — if running a plate-style spacer PI setup, contact Precision Raceworks before ordering to confirm compatibility\u003c\/li\u003e\n\u003cli\u003eSome fuel rails may require a Male AN8-ORB to Female AN6-ORB adapter (not included)\u003c\/li\u003e\n\u003cli\u003eOn older models, some wiring may need to be cut and spliced to the included connectors\u003c\/li\u003e\n\u003cli\u003eIf your tuner wants Solid State Relays, one is needed per pump — see the \u003ca href=\"https:\/\/x58cartel.com\/products\/precision-raceworks-solid-state-relay-upgrade-kit\"\u003eSolid State Relay Upgrade Kit\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eFor the X3 M (F97, S58), this AFS feeds the port injection setup from the \u003ca href=\"https:\/\/x58cartel.com\/products\/precision-raceworks-s58-port-injection-kit-bmw-g8x-m2-m3-m4\"\u003ePrecision Raceworks S58 Port Injection Kit\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003ePDF install instructions: \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0961\/4226\/2579\/files\/AFS_Install_Guide_Rev_02.pdf?v=1785356507\"\u003eAFS Install Guide (Rev 02)\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eVideo installation instructions: \u003ca href=\"https:\/\/youtu.be\/4J-4K2DMq9E\"\u003ePRW X3\/X3M Stand Alone AFS install (YouTube)\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003ePump activation harness instructions (PDF): \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0961\/4226\/2579\/files\/201-0049_Boost_Reference_Install_Instructions.pdf?v=1785356507\"\u003ePump Activation Harness Install\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eSetting fuel pressure — adjustable regulator (PDF): \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0961\/4226\/2579\/files\/settingfuelpressure.pdf?v=1785356507\"\u003eSetting Fuel Pressure\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eWiring diagram for early 2020 and older: \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0961\/4226\/2579\/files\/2020_X3M_AFS_Wiring_10.08.25.jpg?v=1785356507\"\u003eX3M Wiring Diagram\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePART NUMBER\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e601-0338 (AFS.460)\u003c\/li\u003e\n\u003cli\u003e601-0336 (AFS.800)\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 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\u003eX3 M\u003c\/td\u003e\n\u003ctd\u003eF97\u003c\/td\u003e\n\u003ctd\u003eS58 3.0L\u003c\/td\u003e\n\u003ctd\u003e2020–2024\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Precision Raceworks","offers":[{"title":"AFS.460","offer_id":53710917042483,"sku":"601-0338","price":1574.99,"currency_code":"USD","in_stock":true},{"title":"AFS.800","offer_id":53710917140787,"sku":"601-0336","price":1949.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0961\/4226\/2579\/files\/TopHat_Pump.webp?v=1784935171"}],"url":"https:\/\/x58cartel.com\/collections\/x3m-x4m-fueling.oembed","provider":"x58cartel","version":"1.0","type":"link"}