How to order

Thank you for choosing BigBearTuning for your tuning needs.
We're here to provide top-notch remote tuning services for your heavy-duty equipment.
Please follow the steps below to ensure a smooth ordering process.


Supported Vehicles:
• Cummins Engines: All models and applications.
• Mack Trucks (USA, 2014+): OBD2 models
• Volvo Trucks (USA, 2014+): OBD2 models
• Volvo CE with DEF


Remote Tuning Requirements:
Diagnostic Adapter
(Nexiq USB Link, Cummins Inline, DPA5, Noregon, VOCOM...)
Windows laptop
Internet Connection


How to Contact Us:
Reach out to us through any of the following channels:
• WhatsApp
• bigbeartuning@gmail.com
• Telegram

When contacting us, please include the following information:
• Engine Make and Model: e.g., "MACK MP8"
• Year of Manufacture:: e.g., "2016"
• CPL and Engine Serial Number: Only for Cummins*
* CPL and Engine Serial Number are located on engine tag(on valve cover)


Fast & Reliable
Our process is designed for speed and reliability. In most cases, a full ECM tuning session takes less than 1 hour — minimizing downtime and getting you back on the road quickly.


Response Time:
Our technicians will respond as promptly as possible.
Please note that response times may vary depending on current workload.