Ignitions and Electrical› Computers, Chips, Modules and Programmers

Burger

Performance Tuner

$599.00

SKU: N63/N63TU-JB4

In Stock
In Stock
Ships by Sep 12
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The Burger Motorsports JB4 Tuner is a performance tuning system designed for BMW vehicles equipped with N63, N63R, or N63TU engines. It offers significant power gains, with up to 100hp and 140tq to the wheels on a stock vehicle. The tuner features CANbus integration, full data logging capabilities, and multiple performance maps for various fuel and modification levels.

This system allows for user-adjustable fuel control, boost-by-gear settings, and supports water/methanol injection (WMI). It offers seamless integration with JB4 Mobile for wireless smartphone control and data analysis, or with a Windows laptop via a BMS data cable. The JB4 tuner is designed for quick plug-and-play installation and is made in the USA.
Show original supplier description
The Burger N63/N63TU-JB4 Tuner is a performance-enhancing device for select BMW models equipped with N63, N63R, or N63TU V8 engines. This plug-and-play tuner installs between your car's sensors and its DME/ECU, manipulating vehicle performance to deliver substantial speed improvements. Key features include up to 100hp and 140tq gains at the wheels, improved 0-60 and quarter-mile times, multiple tuning maps for various fuel types, and boost-by-gear control for enhanced traction. The tuner also supports E85 ethanol blends, allows for reading and deleting fault codes, and can display and log up to 40 engine parameters. It features a billet aluminum enclosure, is designed and assembled in the USA, and comes with a 5-year warranty. This JB4 tuner integrates seamlessly with the free JB4PRO mobile app, allowing for wireless connectivity via Bluetooth to iOS or Android devices. Through the app, users can record and analyze vehicle and tuning data, change performance maps, and update firmware. The app offers an intuitive interface with help buttons and advanced log analysis tools. Installation is described as quick and plug-and-play, with specific install guides available for F-Series and G-Series chassis. The tuner is not VIN-locked and can be easily removed and swapped between vehicles. It's compatible with all driving modes and has no impact on fuel economy during normal driving. A minimum of 91 octane is recommended for optimal performance gains.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Available on iOS & Android

Specifications

BrandBurger
Part NumberN63/N63TU-JB4
CategoryIgnitions and Electrical

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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