SCM Performance

We are based in Llanelli, South Wales. We offer a Professional ECU remapping service for most makes and model of cars. All of our calibrations are developed on the Dyno to give you the best possible results.

Contact Us today to find out what we could be doing for your car!
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About Us

SCM Remaps are a family run business and we have worked in the motor industry for more than 30 years! 


Find out what services we offer! From Remapping to Air Conditioning, we can give you the best options for your vehicles


Skip the hassle and see what the prices are for our services. All prices shown include the VAT so there are no nasty surprises.


Come and take a look at our online shop, to fit all of your after market needs. From ECUS to Hoodies we have it all!

Our Service

We create Custom files for your car with the aid of our tuning partner ATM Chiptuning.

Our own in house Dyno Dynamics AWD rolling road is used for map development and testing power gains achieved.

We also have our own genuine map editing software packages from Winols, Swiftec and ECM.

We use these to produce top quality reliable custom remaps for your vehicles.

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Dyno Dynamics DS 450 AWD Rolling Road

Our Dyno Dynamics AWD DS 450 rolling road can be used for power runs and map development.

It is able to test up to 1200 bhp for fwd, rwd or 4wd drive.
With our in house dyno we also offer dyno days. This can be for clubs, enthusiasts or even to specialist tuners to remap their own customers cars.

We pride ourselves on offering the best Remapping and Diagnostic repair service in the area at great prices.

Our aim is to maintain our high quality standard of service to our customers, so everyone leaves with a smile!

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Lifetime Software Guarantee

Our file changes have been developed and tested on a rolling road and carry a Lifetime Software Guarantee.

All our remaps are written on your vehicle ecu's own file for Performance or Economy or Best of Both.

We hold the original file should you ever want it returned back to standard.

We use the latest Hardware and Software packages from AlienTech, VCpower and Evc.
These databases is constantly being updated to include newer vehicles as and when available.
So If yours is not currently available, it won't be long before it is!

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Customer Reviews

Rhys Armstrong - Apr 2022

Couldn’t recommend SCM enough. Great and efficient service from all of the team. They made me feel at ease whilst trying to source the issue with my car and of course, they found and resolved the issue.

MM - Mar 2022

Highly recommended, extremely happy with my 335d x drive! 2nd vehicle with SCM and I'll be returning for the 3rd! Thanks Simon & Daniel your professionalism is appreciated.

Nicola Mangan - May 2022

Brought my range rover evoque in for a diesel filter clean even though they were fully booked they still managed to fit me in and have the car back the same day. fantastic job done. Brilliant service and communication. Thank you 😊.

Contact Us Today to find out what we could be doing for You!

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