Below are some useful FAQ's that should help those questions you might have.

How will the remap affect my warranty?

No one can say for 100% certainty that the remap will be undetectable. However, the modification to the software will not show up on any main dealer diagnostic equipment and therefore unless you tell them that it has been done, they will be none the wiser.

How will it affect the longevity of my engine?

The remap will obviously increase the power output of your vehicle and depending on how you drive depends on how reliable it is for you. If you drive it harder then naturally you can expect to decrease the life of your engine but likewise if you thrashed it without even having it mapped then you would expect this to be the case anyway. The remap does not in any way stress the engine so the remap itself does not affect the longevity, only your driving style. We have remapped modern engines with over 200,000 miles without issue so it is very unlikely that you will get issues. 

How will remapping affect my fuel consumption?

Depending on what your requirements are and your driving style depends on what your fuel economy will be. If you go for an outright maximum power output and drive it as so, you can expect to see it decrease as it would without the map. If you get the map to increase torque low down and drive conservatively then it is likely that fuel economy will increase. Please note that fuel economy gains are only likely on turbo diesel engines, petrol engines generally stay the same with some reporting slight improvements, never a loss.

Can the remap be reversed?

The beauty of the remap is that this process is completely reversible without any trace; therefore if within 14 days you want it changed back, we will carry it out free of charge with a full refund. If after 14 days you wish to reverse it then there is a £50 call out charge for the process but no refund will be given unless otherwise agreed prior to the 14 days elapsing. 

How much will the remap cost?

Most of our remaps cost £250+VAT, however every vehicle and engine variant differs so please contact us by telephoning 01202 487497 or emailing for a full detailed quote. 

I have existing modifications, will this affect the remap?

Existing modifications can sometimes bring good benefit to enhancing the software so let us know in advance. 

I intend to make further modifications...

Again, let us know what you’re planning so we can advise the best way forward and can even offer great package deals on other performance upgrades. 

What about insurance?

This is up to you. We have to advise that you inform your insurance companies that the remap has been carried out but as there is no way for them to read this map, it is up to you what you do. It is your responsibility.

What warranty do you offer?

As we change nothing on your car other than a software map, there is nothing for us to give a warranty on other than the contents of the software against corruption and faults. If for some obscure reason you suffer a problem, we will do our utmost to help you including returning your car to standard for any testing. We offer 2 year warranty on the software itself.

What is Remapping?

ECU remapping replaces standard software.

What Is Remapping?

Remapping Customer Feedback

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Customer Feedback

Guarantee & Warranty

Celtic Tuning offer a complete peace of mind product.

Guarantee and Warranty

About Celtic Tuning

Celtic Tuning are one of the UK's leaders in ECU.

About Celtic Tuning

Improve your vehicles performance with a Celtic Tuning Performance Remap from Turbo Dynamics. Up to 40% more power & torque.

Performance Remapping

Economy Remapping

Save money on fuel with a Celtic Tuning Economy Remap from Turbo Dynamics. You could save up to 20% on rising fuel costs today!

Economy Remapping

Fleet Remapping

Protect your business assets, reduce your fleets operational costs & CO2 emissions.

Fleet Management


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