{"title":"BMW 335i E91 Tuning \u0026 Electronics","description":null,"products":[{"product_id":"n54-jb4-bmw-performance-tuner","title":"Burger Motorsports JB4 Tuner – BMW 135i \/ 335i \/ 535i \/ 1M \/ Z4 (N54)","description":"\u003cstyle\u003e.sl-desc h2{font-size:1.15em;letter-spacing:.06em;text-transform:uppercase;border-bottom:2px solid #111;padding-bottom:6px;margin:1.6em 0 .7em}.sl-desc h3{font-size:1em;margin:1.2em 0 .4em}.sl-desc ul{margin:0 0 1em 1.2em}.sl-desc li{margin:.25em 0}.va-table{width:100%;border-collapse:collapse;margin:.5em 0 1em;font-size:.95em}.va-table th{text-align:left;padding:10px 8px;border-bottom:2px solid #333;white-space:nowrap}.va-table td{padding:8px;border-bottom:1px solid #e5e5e5;vertical-align:top}.sl-note{font-size:.9em;color:#555;margin:.4em 0 1em}\u003c\/style\u003e\u003cdiv class=\"sl-desc\"\u003e\n\u003ch2\u003eOVERVIEW\u003c\/h2\u003e\n\u003cp\u003eThe tune that built Burger Motorsports' reputation, and still the most proven way to make an N54 fast. The JB4 piggybacks the factory sensor network rather than flashing the DME, so the ECU stays stock, the install takes about 20 minutes, and the whole thing comes back off if you sell the car. It is not VIN-locked, so it moves to the next one.\u003c\/p\u003e\n\u003cp\u003eThree ways to run it: the tuner on its own with onboard map switching, the tuner plus the JB4 Bluetooth Wireless Phone\/Tablet Connect Kit (Rev 3.7) for wireless app control, gauges and logging, or the tuner plus the BMS Data Cable for a wired laptop connection used for logging and firmware updates.\u003c\/p\u003e\n\u003ch2\u003eSPECS\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUp to 100 HP and 100 lb-ft to the wheels on an otherwise stock car\u003c\/li\u003e\n\u003cli\u003eUp to 350 HP on a fully built car running upgraded turbos\u003c\/li\u003e\n\u003cli\u003eMultiple switchable maps, including race gas and full E85 ethanol support\u003c\/li\u003e\n\u003cli\u003eBoost-by-gear control for traction management\u003c\/li\u003e\n\u003cli\u003eLive gauges, datalogging, and fault code read and clear\u003c\/li\u003e\n\u003cli\u003eNo ECU flash — the factory DME is left untouched\u003c\/li\u003e\n\u003cli\u003eNot VIN-locked; fully reversible and resellable\u003c\/li\u003e\n\u003cli\u003eApproximately 20-minute plug-and-play installation with hand tools\u003c\/li\u003e\n\u003cli\u003eFree firmware updates\u003c\/li\u003e\n\u003cli\u003e5-year warranty\u003c\/li\u003e\n\u003cli\u003eDesigned and assembled in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePARTS INCLUDED\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eJB4 tuner module in a billet aluminum enclosure\u003c\/li\u003e\n\u003cli\u003ePlug-and-play installation harness\u003c\/li\u003e\n\u003cli\u003eJB4 Bluetooth Wireless Phone\/Tablet Connect Kit (Rev 3.7) or BMS Data Cable, when that option is selected\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTECH RESOURCES\u003c\/h2\u003e\n\u003ch3\u003eAdditional Parts Required\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e91 octane or higher pump fuel\u003c\/strong\u003e — required for the advertised gains. Race gas or an E85 blend is required for the higher maps.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJB4 Bluetooth Wireless Phone\/Tablet Connect Kit (Rev 3.7)\u003c\/strong\u003e — required for wireless app control, live gauges and phone logging. Sold separately by Burger Motorsports and offered as an option on this listing; it draws from a separate power wire.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBMS Data Cable\u003c\/strong\u003e — required instead of the Connect Kit if you want a wired laptop connection for logging and firmware updates. Also offered as an option on this listing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJB4 Mobile app\u003c\/strong\u003e — needed on your phone or tablet to use the wireless connect kit.\u003c\/li\u003e\n\u003cli\u003eOptional accessories: in-dash gauges, shift light, and the 2STEP rev limiter.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2307\/8117\/files\/bms-jb4-n54-e-series-installation-instructions.pdf?v=1787174528\"\u003eBMS JB4 installation guide — BMW E Series 135i \/ 335i \/ 535i (PDF)\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003eBurger Motorsports does not publish a catalog part number for this JB4, so no part number is listed.\u003c\/li\u003e\u003c\/ul\u003e\n\u003ch2\u003eVEHICLE APPLICATIONS\u003c\/h2\u003e\n\u003ctable class=\"va-table\"\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\u003e135i Coupe\u003c\/td\u003e\n\u003ctd\u003eE82\u003c\/td\u003e\n\u003ctd\u003eN54 3.0L Twin-Turbo I6\u003c\/td\u003e\n\u003ctd\u003e2008–2010\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e135i Convertible\u003c\/td\u003e\n\u003ctd\u003eE88\u003c\/td\u003e\n\u003ctd\u003eN54 3.0L Twin-Turbo I6\u003c\/td\u003e\n\u003ctd\u003e2008–2010\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e1M\u003c\/td\u003e\n\u003ctd\u003eE82\u003c\/td\u003e\n\u003ctd\u003eN54 3.0L Twin-Turbo I6\u003c\/td\u003e\n\u003ctd\u003e2011\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e335i Sedan (incl. xDrive)\u003c\/td\u003e\n\u003ctd\u003eE90\u003c\/td\u003e\n\u003ctd\u003eN54 3.0L Twin-Turbo I6\u003c\/td\u003e\n\u003ctd\u003e2006–2010\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e335i Touring (incl. xDrive)\u003c\/td\u003e\n\u003ctd\u003eE91\u003c\/td\u003e\n\u003ctd\u003eN54 3.0L Twin-Turbo I6\u003c\/td\u003e\n\u003ctd\u003e2006–2010\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e335i Coupe (incl. xDrive)\u003c\/td\u003e\n\u003ctd\u003eE92\u003c\/td\u003e\n\u003ctd\u003eN54 3.0L Twin-Turbo I6\u003c\/td\u003e\n\u003ctd\u003e2006–2010\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e335i Convertible\u003c\/td\u003e\n\u003ctd\u003eE93\u003c\/td\u003e\n\u003ctd\u003eN54 3.0L Twin-Turbo I6\u003c\/td\u003e\n\u003ctd\u003e2007–2010\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e335is\u003c\/td\u003e\n\u003ctd\u003eE92\u003c\/td\u003e\n\u003ctd\u003eN54 3.0L Twin-Turbo I6\u003c\/td\u003e\n\u003ctd\u003e2011–2013\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e535i Sedan (incl. xDrive)\u003c\/td\u003e\n\u003ctd\u003eE60\u003c\/td\u003e\n\u003ctd\u003eN54 3.0L Twin-Turbo I6\u003c\/td\u003e\n\u003ctd\u003e2008–2010\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e535i Touring (incl. xDrive)\u003c\/td\u003e\n\u003ctd\u003eE61\u003c\/td\u003e\n\u003ctd\u003eN54 3.0L Twin-Turbo I6\u003c\/td\u003e\n\u003ctd\u003e2008–2010\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eX6 xDrive35i\u003c\/td\u003e\n\u003ctd\u003eE71\u003c\/td\u003e\n\u003ctd\u003eN54 3.0L Twin-Turbo I6\u003c\/td\u003e\n\u003ctd\u003e2008–2010\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eZ4 sDrive35i\u003c\/td\u003e\n\u003ctd\u003eE89\u003c\/td\u003e\n\u003ctd\u003eN54 3.0L Twin-Turbo I6\u003c\/td\u003e\n\u003ctd\u003e2009–2016\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eZ4 sDrive35is\u003c\/td\u003e\n\u003ctd\u003eE89\u003c\/td\u003e\n\u003ctd\u003eN54 3.0L Twin-Turbo I6\u003c\/td\u003e\n\u003ctd\u003e2009–2016\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"Burger Motorsports","offers":[{"title":"N54 JB4","offer_id":52520098988312,"sku":null,"price":379.0,"currency_code":"USD","in_stock":true},{"title":"N54 JB4 + JB4 Bluetooth Wireless Phone\/Tablet Connect Kit Rev 3.7 (Separate Power Wire)","offer_id":52520099021080,"sku":null,"price":478.0,"currency_code":"USD","in_stock":true},{"title":"N54 JB4 + BMS Data Cable","offer_id":52520099053848,"sku":null,"price":419.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2307\/8117\/files\/2025-N54-JB4-tuner.jpg?v=1786740772"},{"product_id":"e-chassis-n55-jb4","title":"Burger Motorsports JB4 Tuner – BMW 135i \/ 335i \/ X5 \/ X6 (N55 E-Chassis)","description":"\u003cstyle\u003e.sl-desc h2{font-size:1.15em;letter-spacing:.06em;text-transform:uppercase;border-bottom:2px solid #111;padding-bottom:6px;margin:1.6em 0 .7em}.sl-desc h3{font-size:1em;margin:1.2em 0 .4em}.sl-desc ul{margin:0 0 1em 1.2em}.sl-desc li{margin:.25em 0}.va-table{width:100%;border-collapse:collapse;margin:.5em 0 1em;font-size:.95em}.va-table th{text-align:left;padding:10px 8px;border-bottom:2px solid #333;white-space:nowrap}.va-table td{padding:8px;border-bottom:1px solid #e5e5e5;vertical-align:top}.sl-note{font-size:.9em;color:#555;margin:.4em 0 1em}\u003c\/style\u003e\u003cdiv class=\"sl-desc\"\u003e\n\u003ch2\u003eOVERVIEW\u003c\/h2\u003e\n\u003cp\u003ePlug-and-play power for the E-chassis N55 with the factory DME left untouched. The Burger Motorsports JB4 reads and adjusts through the engine's own sensor network, so there is no flash, no VIN lock, and no trace once you unplug it. Figure roughly 20 minutes to install with hand tools.\u003c\/p\u003e\n\u003cp\u003eThe N55 changed connectors partway through production, so harness type matters more than model year alone. Type A covers most 2011 and some 2012 cars; Type B covers some 2011, most 2012 and all 2013+ cars, and right-hand-drive versions of both are available. If you are unsure, check the plug on your car before ordering — we are happy to help identify it.\u003c\/p\u003e\n\u003ch2\u003eSPECS\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUp to 60 HP and 60 lb-ft to the wheels on a stock car\u003c\/li\u003e\n\u003cli\u003eUp to 100 HP to the wheels on a fully modified car\u003c\/li\u003e\n\u003cli\u003eMultiple switchable maps, including E85 ethanol blends\u003c\/li\u003e\n\u003cli\u003eBoost-by-gear control for traction management\u003c\/li\u003e\n\u003cli\u003eLive gauges, datalogging, and fault code read and clear\u003c\/li\u003e\n\u003cli\u003eHarness Type A — most 2011 and some 2012 135 \/ 335 \/ X1 \/ X5 \/ X6\u003c\/li\u003e\n\u003cli\u003eHarness Type B — some 2011, most 2012 and all 2013+ 135 \/ 335 \/ X1 \/ X5 \/ X6\u003c\/li\u003e\n\u003cli\u003eType A RHD and Type B RHD harnesses available for right-hand-drive cars\u003c\/li\u003e\n\u003cli\u003eNo ECU flash — the factory DME is left stock\u003c\/li\u003e\n\u003cli\u003eNot VIN-locked; fully reversible\u003c\/li\u003e\n\u003cli\u003eApproximately 20-minute installation with hand tools\u003c\/li\u003e\n\u003cli\u003eFree firmware updates\u003c\/li\u003e\n\u003cli\u003e5-year warranty\u003c\/li\u003e\n\u003cli\u003eDesigned and assembled in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePARTS INCLUDED\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eJB4 tuner module in a billet aluminum enclosure\u003c\/li\u003e\n\u003cli\u003ePlug-and-play installation harness in the selected type (A, B, A RHD or B RHD)\u003c\/li\u003e\n\u003cli\u003eJB4PRO Bluetooth adapter, built into the unit\u003c\/li\u003e\n\u003cli\u003eFree access to the JB4PRO smartphone app for iOS and Android\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTECH RESOURCES\u003c\/h2\u003e\n\u003ch3\u003eAdditional Parts Required\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e91 octane or higher pump fuel\u003c\/strong\u003e — required for the advertised gains. An E85 blend is required for the ethanol maps.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrect harness type\u003c\/strong\u003e — Type A, Type B, or the RHD equivalent must be selected to match the connector on your car.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJB4PRO mobile app (free, iOS and Android)\u003c\/strong\u003e — used for map switching, gauges, logging and fault codes. The Bluetooth adapter is built into the unit, so no separate connect kit is needed.\u003c\/li\u003e\n\u003cli\u003eOptional: BMS Data Cable or JB4 Mobile cable for a wired laptop connection with additional gauges and datalogging.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2307\/8117\/files\/bms-jb4-n55-e-series-installation-instructions.pdf?v=1787174528\"\u003eBMS E Series N55 JB4 installation guide (PDF)\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003eBurger Motorsports does not publish a catalog part number for this JB4, so no part number is listed; order by harness type. F-chassis N55 cars use a different unit — see the \u003ca href=\"\/products\/f-chassis-n55-jb4\"\u003eJB4 Tuner N55 F Chassis\u003c\/a\u003e.\u003c\/li\u003e\u003c\/ul\u003e\n\u003ch2\u003eVEHICLE APPLICATIONS\u003c\/h2\u003e\n\u003ctable class=\"va-table\"\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\u003e135i Coupe (LHD)\u003c\/td\u003e\n\u003ctd\u003eE82\u003c\/td\u003e\n\u003ctd\u003eN55 3.0L Turbo I6\u003c\/td\u003e\n\u003ctd\u003e2011–2013\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e135i Convertible (LHD)\u003c\/td\u003e\n\u003ctd\u003eE88\u003c\/td\u003e\n\u003ctd\u003eN55 3.0L Turbo I6\u003c\/td\u003e\n\u003ctd\u003e2011–2013\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e335i Sedan (incl. xDrive)\u003c\/td\u003e\n\u003ctd\u003eE90\u003c\/td\u003e\n\u003ctd\u003eN55 3.0L Turbo I6\u003c\/td\u003e\n\u003ctd\u003e2011\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e335i Touring (incl. xDrive)\u003c\/td\u003e\n\u003ctd\u003eE91\u003c\/td\u003e\n\u003ctd\u003eN55 3.0L Turbo I6\u003c\/td\u003e\n\u003ctd\u003e2011\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e335i Coupe (incl. xDrive)\u003c\/td\u003e\n\u003ctd\u003eE92\u003c\/td\u003e\n\u003ctd\u003eN55 3.0L Turbo I6\u003c\/td\u003e\n\u003ctd\u003e2011–2013\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e335i Convertible\u003c\/td\u003e\n\u003ctd\u003eE93\u003c\/td\u003e\n\u003ctd\u003eN55 3.0L Turbo I6\u003c\/td\u003e\n\u003ctd\u003e2011–2013\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eX1 xDrive35i\u003c\/td\u003e\n\u003ctd\u003eE84\u003c\/td\u003e\n\u003ctd\u003eN55 3.0L Turbo I6\u003c\/td\u003e\n\u003ctd\u003e2013–2015\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eX5 35i (incl. xDrive)\u003c\/td\u003e\n\u003ctd\u003eE70\u003c\/td\u003e\n\u003ctd\u003eN55 3.0L Turbo I6\u003c\/td\u003e\n\u003ctd\u003e2011–2013\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eX6 35i (incl. xDrive)\u003c\/td\u003e\n\u003ctd\u003eE71\u003c\/td\u003e\n\u003ctd\u003eN55 3.0L Turbo I6\u003c\/td\u003e\n\u003ctd\u003e2011–2013\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"Burger Motorsports","offers":[{"title":"135 \/ 335 \/ X1 \/ X5 \/ X6 most 2011 and some 2012 Harness Type A (JB4_N55_A)","offer_id":52520102986008,"sku":null,"price":559.0,"currency_code":"USD","in_stock":true},{"title":"135 \/ 335 \/ X1 \/ X5 \/ X6 some 2011, most 2012, all 2013+ Harness Type B (JB4_N55_B)","offer_id":52520103018776,"sku":null,"price":559.0,"currency_code":"USD","in_stock":true},{"title":"RHD 135 \/ 335 \/ X1 most 2011 and some 2012 Harness Type A (JB4_N55_A_RHD)","offer_id":52520103051544,"sku":null,"price":589.0,"currency_code":"USD","in_stock":true},{"title":"RHD 135 \/ 335 \/ X1 most 2012, all 2013+ Harness Type B (JB4_N55_B_RHD)","offer_id":52520103084312,"sku":null,"price":589.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2307\/8117\/files\/e-chassis-n55-jb4-metal_9659fb63-dc48-4923-8401-62a0cece3230.jpg?v=1786740814"}],"url":"https:\/\/speedlogicauto.com\/collections\/bmw-335i-e91-tuning-electronics.oembed","provider":"SPEED LOGIC","version":"1.0","type":"link"}