ECU Remapping

We provide professional custom ECU remapping using VIEZU software, unlocking your vehicle's true performance, economy and drivability potential.

Why Remap Your Vehicle?

Manufacturers limit power and fuel economy for a range of reasons — markets, fuel grades, emissions and marketing. A custom remap unlocks the performance your vehicle was designed for, safely and reliably.

More Power & Torque

More power and torque across the rev range, giving you stronger acceleration and a noticeably more responsive drive.

Better Fuel Economy

Optimised fuelling and torque delivery can significantly reduce fuel consumption, even with the power gains included.

Custom-Written Files

Every remap is written specifically for your vehicle's engine, gearbox and specification — never a generic file from a database.

Safe & Reliable Tuning

All tuning stays within safe operating parameters, protecting your engine, gearbox and components from unnecessary stress.

VIEZU Authorised Dealer

Backed by VIEZU, the UK's largest tuning organisation, with proven results and award-winning fuel economy tuning.

30-Day Money-Back Guarantee

If you're not happy with your remap, you're covered by a full 30-day money-back guarantee — no questions asked.

A fuel nozzle inserted into the fuel tank of a green vehicle at a gas station.

Custom Tuning, Done Right

A quality remap is only as good as the file behind it. Every vehicle is fully diagnosed first, so we know your engine is healthy before any tuning takes place.

"No generic files. No shortcuts. Just a custom remap, written for your vehicle, backed by a guarantee."

Why Choose Apex Motor Lab?

VIEZU authorised dealer

Custom-written files

Mobile — we come to you

30-day money-back guarantee

Honest advice, no pressure

Free diagnostic before tuning

Convenient appointments

As part of Apex Motor Lab, we combine technical expertise with a passion for vehicles, ensuring every customer receives the highest level of service.

A mechanic wearing a blue uniform holds a laptop in front of an open car hood, inspecting the engine.

How It Works

Free Diagnostic & Custom Remap

Every remap starts with a free diagnostic check to confirm your vehicle is in good health before any tuning takes place — no guesswork, ever.

Once confirmed, we write and install a custom file tailored to your exact vehicle, engine and gearbox specification using VIEZU's industry-leading software.

After installation, we carry out a final check and road test to confirm everything is running smoothly, backed by our 30-day money-back guarantee.

Frequently Asked Questions

  • A remap can affect manufacturer warranty cover for engine and drivetrain components. We're happy to discuss this with you before booking.

  • Gains vary by vehicle, but typical increases range from 15 to 30% more power and torque depending on the engine and stage of tune.

  • Yes. All tuning stays within safe limits for your engine, gearbox and components — nothing is pushed beyond what the hardware can handle.

  • Most remaps take between 1 and 2 hours, including the diagnostic check and final road test.

  • You're covered by our 30-day money-back guarantee, no questions asked — full refund if you're not satisfied.

Drive Better. Feel the Difference.

Mobile across Somerset — free diagnostic, custom remap, 30-day guarantee.