Description
N63/N63R/N63TU BMW JB4 Tuner – Maximum Plug & Play Performance
Experience unprecedented performance gains on your N63, N63R, or N63TU-powered BMW with the JB4 Tuner, delivering up to 100 horsepower and 140 lb-ft of torque at the wheels on a stock vehicle. Whether used as a stand-alone tuning solution or in conjunction with performance flash maps, the JB4 offers precise control, logging, and safety tools for every enthusiast.
The JB4 installs without requiring an ECU flash, and is fully compatible with locked ? ECUs. With plug & play installation, it’s the easiest, safest way to maximize your BMW’s potential.
Featuring CANbus integration, multiple performance maps, user-adjustable fuel control, boost-by-gear settings, and WMI support, the JB4 ensures smooth, reliable performance across all driving conditions. With the included JB4PRO adapter and free smartphone app, you can wirelessly monitor, log, and update your tuner via iOS or Android devices.
Key Features & Benefits
- Up to 100hp and 140lb-ft torque gains on stock N63/N63R/N63TU engines
- Dramatically improves 0-60 mph acceleration and quarter-mile times
- Multiple tuning maps for 91+ octane and E85 ethanol fuels
- Plug & play installation; no ECU flash or unlock needed
- Full CANbus integration for smooth factory-like operation
- Boost-by-gear control for optimized traction
- Reads and deletes fault codes; logs up to 40 engine parameters
- Exhaust flap control on supported vehicles
- Compatible with the JB4PRO smartphone app
- No impact on fuel economy during normal driving
- Not VIN-locked; fully removable and transferable
- Durable billet aluminum enclosure; designed and assembled in the USA
- 5-year warranty
Vehicle Fitment
BMW 5 Series:
- 2011 F10/F11/F07 550i sDrive/xDrive/GT (N63 TYPE_A)
- 2012-2013 F10/F11/F07 550i sDrive/xDrive/GT (N63 TYPE_B or TYPE_A – verify sensor)
- 2014-2016 F10/F11/F07 550i sDrive/xDrive/GT (N63TU)
- 2017-Present BMW 550/M550 G30 models (N63R)
BMW 6 Series:
- 2012-2019 F12/F13 650i sDrive/xDrive (N63TU)
- 2013-2019 F06 650i Gran Coupe (N63TU)
BMW 7 Series:
- 2009-2011 F01/F02 750i/750Li sDrive/xDrive (N63 TYPE_A)
- 2012-2013 F01/F02 750i/750Li sDrive/xDrive (N63 TYPE_B or TYPE_A – verify sensor)
- 2017-2021 G12 750i/750Li sDrive/xDrive (N63R)
BMW 8 Series:
- 2018-Present G15/G14/G16 M850i xDrive (N63R)
BMW X Series:
- 2007-2020 X5/X6/X7 models (various N63/N63TU/N63R types – check sensor reference for exact fitment)
For vehicles not listed, contact sales@burgertuning.com to confirm JB4 compatibility.
About the JB4
The JB4 is a true plug & play performance tuning solution for turbocharged vehicles. It installs between your car’s sensors and DME/ECU, manipulating boost, fuel, and timing to deliver substantial performance gains without ever unlocking or reflashing your ECU. With advanced CANbus processing, Bluetooth connectivity, and ongoing firmware updates, the JB4 remains the gold standard in safe, removable, and flexible tuning for BMW turbo engines worldwide.