Custom Solutions
Fully custom ECU files and advanced vehicle diagnostics tailored to your needs.
Why Choose EC Performance
We are a trusted, 5-star rated mobile ECU remapping specialist serving Bristol and the South West UK.
Certified Pros
Expertly trained, certified, and fully insured technicians handling your pride and joy.
Mobile Service
We bring our mobile tuning service to your doorstep across Bristol and the South West.
Safety First
A performance-focused approach that never compromises on engine safety or reliability.
01
Pre-Check
We start by checking your car’s condition – oil level, fluid levels and any visible leaks – to make sure it’s safe to tune.
04
Custom File Creation
We build a custom map tailored to your car’s condition, mileage and hardware, not a one-size-fits-all file.
How Our Tuning Process Works
Every job follows this careful process from start to finish to ensure the highest standards of performance and safety.
02
Diagnostics & Live Data
Next, we run a full diagnostic scan and live data checks to spot any faults and see how your car is currently performing.
05
Flash & Post-Tune Checks
We flash the new file to your ECU, then run post-tune checks to confirm everything is running smoothly.
03
Read ECU File
We safely read your ECU file using legitimate, professional tuning tools designed for your vehicle.
06
Test Drive & Data Logging
Finally, we go for a test drive with data logging to see how the car performs and reacts on the road, making adjustments if needed.
“EC Performance transformed my car. The mobile remap was quick, professional and the difference in power and smoothness is unreal. Highly recommend to anyone in the South West.”
5★
James R.
What Drivers Say
Trusted, 5-star rated mobile ECU remapping specialist serving the South West UK.
“Booked a tune-up at my home and they arrived on time, explained everything clearly and checked the car thoroughly. Feels sharper, more responsive and still safe. Great service.”
5★
Sarah L.
“Top-notch diagnostics and custom ECU file. My van now pulls better on the motorway and I’m even seeing better fuel economy. Friendly, honest and very knowledgeable.”
5★
Mark D.