{"product_id":"bms-bmw-jb4-port-injection-control-module","title":"Burger Motorsports BMS JB4 Port Fuel Injection Controller (PI) – Auxiliary Injector Driver \u0026 Aux Fuel Module for BMW N54 N55 S55 3.0L Turbo – Plug \u0026 Play PWM Injector Control – AIC6 Alternative – N54-JB4-PICM","description":"\u003cdiv class=\"product__description rte\"\u003e\n  \u003ch2\u003ePort Fuel Injection Controller for BMW Turbo Six Engines by Burger Motorsports\u003c\/h2\u003e\n\n  \u003cp\u003e\n    Unlock stable, precise fuelling on N54, N55 and S55 builds with Burger Motorsports' dedicated auxiliary injector driver. This compact plug-in module lets your existing JB4 piggyback manage a separate port fuel rail with exceptional accuracy, delivering smoother throttle response, clean power under boost and extra protection when you push for higher horsepower. Ideal for tuned street cars and track setups seeking consistent AFR control with minimal hassle.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eWhat makes this auxiliary fuelling module the go-to choice\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eDirect integration with your JB4 tuning system for complete port fuel oversight\u003c\/li\u003e\n    \u003cli\u003eAdjusts added fuel by boost level, gear, engine speed and injection pressure for OEM-like drivability\u003c\/li\u003e\n    \u003cli\u003eTip-in enrichment for crisp response as you come onto throttle\u003c\/li\u003e\n    \u003cli\u003eFailsafe logic monitors injector flow and flags a fault if an injector is unplugged or shorted\u003c\/li\u003e\n    \u003cli\u003eTrue plug-in harness, no standalone maps or programming on the controller required\u003c\/li\u003e\n    \u003cli\u003eClean, reliable alternative to older AIC6 style controllers\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003cp\u003e\n    If you are adding a secondary injector rail to support bigger turbos or ethanol mixes, this BMS unit gives your JB4 the brains to run auxiliary injectors properly. The result is confident high-load fuelling, excellent cruising manners and the reassurance of built-in safety checks.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eWho is it for\u003c\/h3\u003e\n  \u003cp\u003e\n    Enthusiasts running BMW N54, N55 or S55 engines who want a tidy, proven way to manage port fuel on a JB4-tuned car. Perfect for hybrids, upgraded HPFP or LPFP setups, E blends and anyone targeting reliable, repeatable power without a clumsy standalone controller.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eCompatibility\u003c\/h3\u003e\n  \u003cp\u003e\n    Engine families: N54, N55, S55. Designed for turbocharged straight-six BMW applications using a JB4 piggyback.\n  \u003c\/p\u003e\n  \u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e a JB4 is required for operation. This module does not function on its own.\u003c\/p\u003e\n\n  \u003ch3\u003ePart number\u003c\/h3\u003e\n  \u003cp\u003e\u003cstrong\u003eN54-JB4-PICM\u003c\/strong\u003e\u003c\/p\u003e\n\n  \u003ch3\u003eManufactured by\u003c\/h3\u003e\n  \u003cp\u003eBurger Motorsports\u003c\/p\u003e\n\n  \u003ch3\u003eWarranty\u003c\/h3\u003e\n  \u003cp\u003eBurger Motorsports do not offer a warranty on this item.\u003c\/p\u003e\n\n  \u003ch3\u003eOur experience\u003c\/h3\u003e\n  \u003cp\u003e\n    We have installed and used this BMS auxiliary fueling controller on multiple customer cars and have been consistently impressed. Feedback highlights smooth engagement under boost, predictable AFR control and confidence thanks to the onboard safety features. It is the tidy solution we recommend when adding a port fuel rail alongside a JB4.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eFitting and support\u003c\/h3\u003e\n  \u003cp\u003e\n    Professional installation available at MJ Modifications in Warwickshire. For a fitting quote or advice email \u003ca href=\"mailto:info@mjmodifications.co.uk\"\u003einfo@mjmodifications.co.uk\u003c\/a\u003e.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eCompatibility check before dispatch\u003c\/h3\u003e\n  \u003cp\u003e\n    We offer a free fitment check. Add your UK registration or the last 7 of your VIN at checkout and our team will confirm suitability for your N54, N55 or S55 build.\n  \u003c\/p\u003e\n\n  \u003ch3\u003ePopular search terms\u003c\/h3\u003e\n  \u003cp\u003e\n    port fuel controller, auxiliary injector controller, injector driver module, port injection manager, BMW turbo six fuelling, N54 aux fuel, N55 aux injectors, S55 port fuel rail control, JB4 aux fuel control, plug in fuel module, boost based fuelling, gear based fuelling, RPM based fuelling, PWM injector driver, AIC6 alternative, PI wiring harness, UK BMW tuning parts, BMW performance fuel upgrade, hybrid turbo fueling solution, ethanol blend fueling controller, BMS port fuel unit, Burger Motorsports fuel control, N54-JB4-PICM.\n  \u003c\/p\u003e\n\u003c\/div\u003e","brand":"BMS","offers":[{"title":"Default Title","offer_id":55975035404674,"sku":null,"price":382.46,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/5445\/8937\/files\/BMS_BMW_N54_JB4_Port_Injection_Control_Module_-_1_1946x_09a8d6ab-02c9-45dd-ada9-8ef01bcac385.jpg?v=1763318633","url":"https:\/\/mjmodifications.co.uk\/products\/bms-bmw-jb4-port-injection-control-module","provider":"MJ Modifications","version":"1.0","type":"link"}