Dyno Developed Software & Unrivalled
Technical Support.


An ECU Remap for your exotic car
can significantly improve your driving


ECU Remapping your Turbo Diesel has
never been so easy. With improved power
and fuel economy one simple step away.


Tuning your truck can improve your pulling
power and fuel economy. See how Celtic
Tuning can help you and your fleet.


Towing power is essential for any
farmer. Improve the power and
fuel economy of your tractor with
an ECU Remap.


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Testimonial Citroen Reviews

Citroen Xsara Picasso 2.0 HDi 90 bhp

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Posted on 11th October 2016, 21:40

Absolutely excellent results. The increase in low rev torque is amazing, The car now pulls like a steam train, great for towing. Fuel economy is actually better unless you boot it all the time. I am averaging 47mpg on a 14 mile commuter run including country A road and town traffic queues. Easily 50+ on a longer run if I stay below 80mph.

Thoroughly recommended


Bank Manager

Cornwall, United Kingdom

Not an actual picture of the tuned car

Citroen Berlingo 1.6 e-HDi 75 bhp

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Posted on 8th December 2015, 22:17

Not an actual picture of the tuned car

Took my Berlingo van to Celtic Tuning HQ today for a stage 2 remap, what a difference it has made.

I had a 180 mile trip back home so had plenty of time to feel what an improvement it has made, going from 75bhp up to 120+bhp, it pulls all the way through the rev range, once in top gear it stays there no need to drop down a cog. A big improvement in economy also 180miles @ 60/70 mph 49.5 mpg avg before map, 180miles @60/70mph 60.1mpg avg after map !

Polite staff, nice premises, great price. Brilliant.

Dave Wintour

Lydney, Gloucestershire, United Kingdom

Citroen DS5 2.0 HDi 160 bhp

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Posted on 15th May 2015, 13:23

Having had Celtic Tuning map most if not all of my previous cars, I was expecting more of the same. And straight away the team did not disappoint.

My DS5 is more responsive, uses all the rev range and deliveries a more excitable driving experience. The engine pulls well, strong and shifts via the paddles smooth and efficiently.

Thank you to the team once again! Consider putting me down for a long term loyalty card ;)

Ben Payne

Southampton, United Kingdom

Citroen Relay 2.0 HDi 84 bhp

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Posted on 15th May 2015, 13:21

Not an actual picture of the tuned car

I had an ECU remap couple weeks ago, what a difference. I am getting 10 more mpg and the van is so much nicer to drive. I have had this van from new my only regret is i didnt have it done sooner thanks for superb job.

Mark Jones

Helston, United Kingdom

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