{"product_id":"mclaren-jb4-performance-tuner-for-m838t-engines","title":"McLaren JB4 Performance Tuner for M838T Engines (BETA)","description":"\u003cp\u003eUnlock responsive, repeatable power from your McLaren M838T engine with the JB4 Performance Tuner BETA. This plug and play piggyback from Burger Motorsports integrates with the factory ECU via easy to access engine bay sensors and CANbus, adjusting boost, timing and fueling for stronger performance and reduced turbo lag without the need for an ECU flash. It remains fully compatible with locked ECUs and removes cleanly when required.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eDirect fit plug and play tuning box for McLaren M838T engines including MP4-12C, 570S, 570GT, 600LT and 650S\u003c\/li\u003e\n  \u003cli\u003eNo ECU unlock or flash needed, works with locked ECUs\u003c\/li\u003e\n  \u003cli\u003e64 MHz processor sampling sensors 800 times per second via dedicated 10-bit converters for smooth, consistent power delivery\u003c\/li\u003e\n  \u003cli\u003eAdvanced CANbus OBDII integration factors in pedal position, throttle, gear, RPM, AFR, fuel trims, ignition advance and knock\u003c\/li\u003e\n  \u003cli\u003eBuilt-in safety strategies keep boost low until oil and coolant are at temperature and automatically reduce boost if overheating, running lean, knocking or overboosting\u003c\/li\u003e\n  \u003cli\u003eOn the fly map selection via BMS data cable or JB4 Mobile app, with a default Map 1 targeting around 4 psi over stock plus stock and valet modes\u003c\/li\u003e\n  \u003cli\u003ePreconfigured maps for 91 and 93 octane fuels and E85 mixtures, compatible with all driving modes\u003c\/li\u003e\n  \u003cli\u003eCan improve 0 to 60 mph and quarter mile performance while retaining factory-like drivability; fuel economy unchanged during normal driving\u003c\/li\u003e\n  \u003cli\u003eRead and clear fault codes, upgradable firmware and detailed data logging\u003c\/li\u003e\n  \u003cli\u003eNot VIN locked and removes without a trace, ideal for resale or transfer\u003c\/li\u003e\n  \u003cli\u003eIncludes rugged billet aluminium JB4 enclosure\u003c\/li\u003e\n  \u003cli\u003eWireless JB4 PRO smartphone connectivity included for logging, map control and over the air firmware updates\u003c\/li\u003e\n  \u003cli\u003eDesigned and assembled in the USA with a 5 year warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe JB4 offers a powerful, flexible and safe tuning solution for M838T-powered McLaren models, delivering more capability than typical chip tunes thanks to deep CANbus integration and continuous development with free firmware and map updates. Installation is discreet and reversible, making it a popular upgrade with Nforcd customers who want a fast, reliable performance increase without flashing the ECU. This application is currently in BETA.\u003c\/p\u003e\n\n\u003cp\u003eOrder your McLaren JB4 from Nforcd today. Professional fitting is available at Nforcd in Warwickshire. To request a quote, email Sales@nforcd.com.\u003c\/p\u003e","brand":"Burger Motorsports","offers":[{"title":"Default Title","offer_id":55463225360769,"sku":"McLaren JB4 + PRO Adapter","price":1818.7,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/9465\/6700\/files\/JB4-Performance-tuner-tune-with-JB4-app-kia-_1.jpg?v=1774346961","url":"https:\/\/www.nforcd.com\/products\/mclaren-jb4-performance-tuner-for-m838t-engines","provider":"Nforcd","version":"1.0","type":"link"}