Car ECU Remapping Dorset

Stage 1, Stage 2, economy and gearbox tuning - mobile service across Dorset and Hampshire.

What Is Car ECU Remapping?

Car ECU remapping recalibrates your engine control software to unlock power, torque and response that factory maps deliberately limit. At 24Tuning every map is developed in-house using Alientech and Autotuner equipment, not generic database files pulled from the internet.

Modern turbo petrol and diesel engines are detuned at the factory for global emissions compliance, fuel grade variations and market segmentation. The same 2.0-litre diesel that feels brisk in one country may feel flat in another because the ECU calibration differs. Our Bournemouth-based engineers reverse these conservative limits safely within mechanical tolerances, delivering gains you feel from the first drive.

Whether you commute on the A31, tow a caravan through the New Forest or want sharper response from a performance petrol model, car remapping is one of the most cost-effective upgrades available. No hardware is required for Stage 1 tuning, and every job includes a full diagnostic check, secure factory map backup and lifetime software warranty.

How Car Remapping Works

Your engine control unit manages fuelling, boost pressure, ignition timing, torque limiters and countless other parameters. Factory software is written to suit the widest possible operating conditions, which means most engines leave significant performance on the table.

Our process starts with a full OBD diagnostic health check. We read fault codes, review live data and confirm the engine is in good condition before any calibration work begins. We then back up your original ECU file to our secure server, allowing full reversion to stock at any point.

Using professional-grade tooling, we write a custom map tailored to your exact engine code. Parameters are adjusted within safe mechanical limits, then verified on the road. Our calibrations are developed from dyno-proven strategies on our Dynocom 15000FX. Full on-cell dyno tuning is available separately (12-month waiting list).

  1. Diagnostic check - confirm engine health before any work
  2. Factory backup - your original map stored securely
  3. Custom calibration - in-house map written for your engine
  4. Road test - verify driveability and response

Compare Car Remapping Options

Not every driver wants the same outcome. Use this table to choose the right service for your priorities.

ServiceBest forHardwareTypical gainsFrom
Stage 1 RemapMore power and sharper responseSoftware only20-35% power/torque on turbos£249
Stage 2 RemapMaximum performance with upgradesIntake, exhaust, intercoolerVaries by hardware£399
Economy RemapLower fuel costs, high mileageSoftware only5-15% MPG improvement£249
TCU Gearbox RemapFaster DSG and auto shiftsSoftware onlyQuicker, smoother shifts£249

Unsure which option suits your vehicle? Use the calculator below or contact us with your registration and annual mileage.

Typical Gains by Engine Type

Gains vary by engine code, turbo size and factory calibration. These figures represent typical Stage 1 results on healthy vehicles.

Engine typePower gainTorque gainWhat you notice
Turbo diesel (2.0 TDI, 2.2 HDi, etc.)25-35%25-40%Stronger low-end pull, easier overtaking, better towing
Turbo petrol (TSI, TFSI, EcoBoost)15-25%15-30%Sharper throttle, reduced turbo lag, smoother delivery
Naturally aspirated petrol5-12%5-10%Improved response, optimised ignition and fuelling
Hybrid-assisted turbo15-25%15-25%Better integration of electric boost and engine torque

Search your exact make, model and engine below for personalised estimates before you book.

Car Remapping Pricing

Car ECU remapping at 24Tuning starts from £249 for Stage 1, economy and TCU services. Stage 2 remapping from £399 when hardware upgrades are fitted.

Every remap includes:

  • Full OBD diagnostic health check
  • Custom in-house ECU calibration
  • Secure backup of your original factory map
  • Mobile installation at your home or workplace
  • Lifetime software warranty on our work

Secure your appointment with a £50 deposit via online booking. Balance due on the day of service.

Our Car Remapping Services

Why Choose 24Tuning?

  • Custom In-House Maps
  • 50,000+ Vehicles Calibrated
  • Full Diagnostic Check
  • Factory Map Backup
  • Mobile Installation
  • Lifetime Software Warranty
  • Alientech and Autotuner Tooling
  • Dorset and Hampshire Coverage

Areas We Cover

Mobile car remapping across Bournemouth, Poole, Christchurch, Southampton, Winchester and nationwide UK. For local booking in Bournemouth, see our Bournemouth ECU remapping page or view the full coverage map.

Frequently Asked Questions

What is car ECU remapping?

Car ECU remapping recalibrates your engine control software to unlock power, torque and response that factory maps deliberately limit. Every 24Tuning map is developed in-house using professional Alientech and Autotuner equipment.

How much does car remapping cost?

Stage 1, economy and TCU remapping start from £249 per vehicle. Stage 2 from £399. All prices include diagnostics, factory map backup and lifetime software warranty.

Is car remapping safe for my engine?

Yes. We operate within factory mechanical tolerances and perform a full OBD diagnostic health check before every remap. We never push components beyond their designed limits.

Will a remap fail my MOT?

A correctly calibrated remap on a healthy vehicle should not in itself cause an MOT failure when emissions remain within legal limits. We do not remove emissions equipment as part of Stage 1 tuning.

Do you cover Bournemouth and Hampshire?

Yes. Our mobile engineers cover Bournemouth, Poole, Christchurch, Southampton, Winchester and nationwide UK at your home, workplace or storage location.

Ready to Transform Your Drive?

Search your vehicle, browse our shop, or book a mobile remap today.