Bully Dog BDX

Vendor: Bully Dog


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.
Instantly adds more horsepower & torque to the vehicle by reprogramming the vehicles computer
Full Color LCD Display
Custom Tuning Capable
Monitor & Record critical vehicle engine parameters
Built-In Wi-Fi for Cloud based Tune Delivery & easy updates via the internet
Preloaded with performance tune files for most ‘96+ Ford / GM / Dodge / Toyota / Nissan vehicle

Increase the power and performance in your truck. The Bully Dog BDX Performance Programmer adds more horsepower, more torque, and improved driveability with pre-loaded tunes that are street tested and dyno-proven.  
The BDX Performance Programmer features a sleek full-color gauge display. This allows you to monitor and display critical vehicle and engine data using the fully customizable virtual gauges.  
More than just a Performance Programmer, the BDX can read and clear Check Engine Lights (CEL) & Diagnostic Trouble Codes (DTC's).  
Custom Tuning Support: 
Stores up to 10 custom tunes from any of the 1,000+ Custom Tuning Dealers found on Bully Dog website. Custom tunes are not included.


  • On-Screen Digital Display 
  • Holds Up To 10 Custom Tunes (Sold Separately)
  • Full-Color LCD Display In A Compact Handheld Design 
  • Cloud Based Tuning Software With Built-In Wifi For Easy Updates 



The most aggressive preloaded diesel tune. Good for everyday use, racing, or economy but not recommended for any type of towing.

The Street tune has less power than Performance with a moderate gain over stock, safe for light towing, under 5,000 lbs.

Towing / Tow
This tune should be used when towing any significant load as the shifting is specific for towing.

Trans Only
For heavy loads, the engine and boost are left stock and only the transmission shift points are tuned.

Jake Brake
Helps to increase engine braking while coasting to help lower braking temperatures.

Locked at CT
Keeps the torque converter locked during deceleration to aid in engine braking.

Lock In 1-2-3
Locks the torque converter in 1st, 2nd and 3rd gear

Agg. Tow Haul
More aggressive shift schedule keeping the engine in its power band longer.


Axle Ratio
Corrects shift patterns / speedometer for aftermarket axles / parts. (Not available on all vehicles)

Tire Size
Sets tire size to correct shift patterns/speedometer. (Not available on all vehicles)

Idle Speed
Sets idle speed in RPM.

Traction Control
On/Off setting disables traction control without using the TCS button.

WOT Shift
Increase or Decrease the WOT shift points of each gear individually by MPH.

Shift Pressure
% change in transmission pressure during shifts. (+ equals firmer, - equals softer)


Tune Type
Performance levels vary by the octane you select. Higher octane will provide higher performance increase.

Towing Tune
Adjusts the octane based tunes to focus more on towing over performance.

Global Spark
Add or remove timing advance to the entire RPM range.

Spark by RPM
Add or remove timing by RPM range. (0-2000) (2000-4000) (4000-8000)

WOT Fuel
Add or remove fuel at wide open throttle. ( WOT )

Fuel Injectors
Allows you to adjust for different sized injectors. (Not available on all vehicles)

CMCV Deletes
Updates tune to handle the CMCV/IMRC delete plates modification.

Fan Control
Lowers the temperature at which the fan turns on.

Rev Limiter Drive
Sets rev limit in RPM while in drive.

Rev Limiter Neutral
Sets rev limit in RPM while in neutral.

Speed Limit
Remove, increase, or decrease the vehicle speed limiter. (AK A Governor)

NOTE: Adjustable Options vary for each vehicle and are not available on all vehicles.





Custom Emissions-Delete Tunes Available!

Custom tunes are available for 2013, 2014, 2015, 2016, 2017, 2018 & 2019 Ford Powerstroke Diesel 6.7L

Power Levels 2013-2014 - 10hp, 50hp, 80hp, 110hp, 150hp

Power Levels 2015-2019 - 30hp, 75hp. 130hp, 180hp, 230hp

Custom tunes allow removal of the DPF, DEF, & EGR systems without throwing engine codes. 

When purchasing any custom tunes we will email you to get the specifics of your vehicle to write your custom tunes.  

We will need the Year, body style, and VIN of your truck.