{"product_id":"n54-jb4-bmw-performance-tuner","title":"N54 JB4 BMW tuner for E90 E92 E82 135i 335i, 100hp gains","description":"\u003cp\u003eThe JB4 is the proven, no-nonsense N54 tuning solution for E90, E92, E82 and other N54 chassis - including 135i, 335i, 1M, 535i, X6 xDrive35i and Z4 sDrive35i.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eUp to 100hp and 100lb-ft at the wheels on pump fuel - scalable with mods\u003c\/li\u003e\n\u003cli\u003eFully plug-and-play: no coding, no dealer visits, no laptop needed\u003c\/li\u003e\n\u003cli\u003eIncluded harness + preloaded maps for pump, E85, race fuel and methanol\u003c\/li\u003e\n\u003cli\u003eJB4 Mobile app control: live tuning, data logging, map switching, valet mode\u003c\/li\u003e\n\u003cli\u003eNot VIN-locked; transferable between N54 cars - 5-year warranty, made in USA\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Burger Motorsports","offers":[{"title":"Default Title","offer_id":54906363412823,"sku":"N54-JB4","price":492.7,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1038\/4575\/7271\/files\/2025-N54-JB4-tuner.jpg?v=1788695945","url":"https:\/\/cuzracecars.com\/products\/n54-jb4-bmw-performance-tuner","provider":"Cuz Race Cars","version":"1.0","type":"link"}