Bully Dog BDX

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Bully Dog’s new BDX hand-held performance tuner gives drivers the edge they need, whether tackling tough terrain, pulling a heavy payload or maximizing fuel economy on the highway. Its sleek design, full-color display and customizable gauges help track and adjust powertrain performance to deliver more horsepower and torque when it’s needed most. Cloud-based tune delivery over built-in WiFi means that the BDX will always be running the latest tuning- enabling drivers to stay one step ahead of the pack.

The Bully Dog BDX is the world’s first autonomous tuning device – no PC or USB connections required! The BDX grabs all the files it needs (even custom tuning files – sold separately) through an easy-to-use WiFi connection to the Internet during the install process. Bully Dog calls this Cloud Tune Delivery, and it’s only found on the Bully Dog BDX.

Key Features

  • Increased horsepower and torque
  • Easy installation process
  • Storage space for up to 10 tunes from custom tuning dealers
  • Always stays current with Wi-Fi tune updates
  • Monitor and display vehicle parameters (PIDs)
  • Full Color display with custom gauge views
  • Read and Erase Diagnostic Trouble Codes
  • Note: Does Not Support Emissions Deletes




BDX delivers dyno-proven tune files that increase horsepower & torque, unlocking greater towing ability and offroad potential.


While other devices ship with outdated tune files, BDX always downloads the latest files tailored for your vehicle. Over-the-air updates also means that tune updates arrive remotely-without wires.


Monitor a wide range of critical engine & transmission parameters, and create custom gauge views. Data log parameters and playback via PC to maximize potential of dealer custom tunes (custom tunes sold separately).



Bully Dog’s new BDX handheld performance tuner gives the edge you need. Track and adjust performance in style, with a sleek handheld design, easy-to-use push-button interface, and a full-color display. Whether you’re tackling tough terrain or pulling a heavy pay-load, you can be certain that your vehicle will rise to the occasion.

Installation Instructions

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