ECU Tuning File Service

What is ByteFLASH?

ByteFLASH is a trusted brand that provides high-quality ECU tuning files to trade customers. By becoming a ByteFLASH Installer, you can leverage the reputation of our software while establishing your own local brand. Unlike retail-based tuning services, ByteFLASH exclusively supports businesses, directing customers to their nearest authorised installers.

Why Use ByteFLASH ECU Tuning Files?

At ByteFLASH, all ECU tuning files are crafted in-house, ensuring the highest standards of performance. Our services cater to a wide range of businesses, from performance and modification centres to car dealerships and vehicle repair garages. We support installers with expert knowledge and top-tier tuning files, enabling them to grow their business and offer premium remapping services for both Engine ECUs and Gearbox TCUs.

How Does the ByteFLASH Tuning File Service Work?

1. 1
   Sign Up — Register for a ByteFLASH account at portal.byteflash.co.uk
2. 2
   Purchase Credits — Buy ECU tuning file credits using a credit or debit card.
3. 3
   Submit a File — Upload the original ECU file from your customer's vehicle using our easy submission form.
4. 4
   Receive & Install — Once your tuning file is ready, you'll receive an alert to download and install it on your customer's car.

Switching from Another Supplier?

If you're already using other equipment, we can usually migrate your existing tools to the ByteFLASH tuning service, ensuring a seamless transition.

Already Have Master Equipment?

If you already own master equipment and need master tuning files, you can register directly for our trade tuning file service HERE.

What Does ByteFLASH Offer?

• Master ECU tuning files
• Slave ECU tuning files
• Gearbox TCU tuning files
• ECU Tuning Equipment: Kess3, AutoTuner, FLEX & more!
• Full technical training for OBD, Bench & Boot Tuning
• Comprehensive support via the file service portal
• Component removals such as EGR, Swirl Flaps, AdBlue (etc)
• Launch Control, Pops & Bangs & No Lift Shift
• Custom Development from Stage 1 to 3

Free Technical Training with Equipment Purchases

At ByteFLASH, we believe in setting our trade customers up for success. That's why we include free technical training with the purchase of any ECU tuning equipment.

1. Hands-On Learning — Practical sessions covering everything from connecting equipment to vehicles, reading and writing ECU/TCU files, and troubleshooting.
2. Tricore & Bench Tuning — Learn advanced tuning methods like Bench and Boot tuning, empowering you to handle a wider range of vehicles.
3. Full Support — Our experienced trainers are available to guide you through every step, with ongoing support after training is complete.

Tuning File Availability & Turnaround

The ByteFLASH tuning file service operates from 08:00 to 18:00 GMT on weekdays and 09:00 to 16:00 GMT on Saturdays. We typically deliver modified tuning files within 30 minutes.