ECU Remapping in Sunbury from £259
Mobile across Surrey (TW16). Typical arrival 20–30 minutes. 24/7 callout, fixed pricing, 12-month warranty.
Custom ECU remapping in Sunbury for petrol and diesel cars, vans and motorhomes. We tune for real-world drivability and economy, not just headline figures, and back every map with a lifetime software warranty.
Custom ECU remapping for Sunbury drivers — petrol or diesel, car, van or motorhome. We tune for real-world drivability on Surrey roads, not just headline dyno figures, and back every map with a lifetime software warranty.
- Stage 1 (stock hardware) and Stage 2 (hardware mods) tuning
- Economy maps, towing maps, performance maps
- Dyno-proven gains — before/after figures included
- Lifetime software warranty
- Bench / OBD / boot programming
Get an exact quote for your vehicle
Enter your registration — we'll pull the make, model and key type so we can quote you accurately for ecu remap in Sunbury.
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Custom-written maps · Lifetime software warranty · Dyno-verified figures
No spam · No obligation · Fixed pricing confirmed before we attend
Why Sunbury drivers call us
Map issues? We re-flash for free — for as long as you own the car.
Original calibration backed up before we write anything, so service visits or warranty claims aren't a problem.
Tuned for Surrey traffic and motorway runs, not just dyno bragging rights.
How a ecu remap call-out in Sunbury works
- Step 1Send vehicle details
Reg, mileage and any hardware mods — we'll confirm the right stage and quote for Sunbury.
- Step 2On-site or workshop
Most cars are flashed at your address in Sunbury; a few platforms need bench / boot programming at the workshop.
- Step 3Read, write, log
Stock map read off and stored, custom map written, then a road test with live logs to confirm fuelling and boost.
- Step 4Before / after data
You get the dyno or live-data figures, the invoice and the lifetime software warranty in writing.
ECU Remap in Sunbury — FAQs
Will it void my warranty?+
On manufacturer warranties yes, but we save the original map so it can be put back instantly.
How much MPG can I gain?+
Diesels typically 4–8 mpg, petrols 2–4 mpg with sensible driving.
Can you remap at my house in Sunbury?+
Most cars and vans, yes — driveway or workplace anywhere in TW16 is fine. A handful of platforms (some VAG, some Range Rover) need the workshop for bench programming.
Will it affect MPG?+
Diesels typically gain 4–8 mpg, petrols 2–4 mpg with steady driving — because the engine works less hard for the same throttle input.
How fast can you reach Sunbury?+
Typical arrival in Sunbury (TW16) is 20–30 minutes from the moment you call.
Do you cover all of Surrey?+
Yes — Sunbury sits inside our core coverage area for Surrey, alongside Ashford, Walton-on-Thames, Feltham.
Other ECU Remapping in Sunbury
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Mobile ECU remapping covering Sunbury, ashford, walton on thames, feltham and the rest of Surrey.