ByteFLASH: Touch - Switchable ECU remaps...
at the touch of a button.

Priced from only £399 including 2 remaps of your choice!

ByteFLASH Touch is a unique handheld touchscreen tuning tool which allows you to switch between ECU tuning files at the touch of a button. Need maximum economy for daily driving, but when towing or having fun at the track need a performance or race map?.. then ByteFLASH Touch is for you.

ByteFlash Touch is a portable, standalone customer based programmer that is truly simple to use and gives you ultimate flexibility in what you want from your vehicle. Designed to be used by the driver it is capable of reading and writing tuning programmes for many different vehicle types. Uniquely, it can also store in its memory four different files dedicated to the same car, one original file and three modified files.

ByteFLASH Touch will be shipped to you without tuning files. You'll plug the unit into your car and read the stock software from the ECU. Plug the ByteFLASH Touch into your computer via a USB port and send the cars original file to our technical department.

You can then choose any two of the following modified files:
  • Maximum Economy
  • Power and Economy blend
  • Maximum Power for the road
  • Track or Race-day Map
  • Valet mode (Reduced Power)



  • We will custom write your chosen tuning files taking into account your exact requirements, in exactly the same way as a traditional remap. Any specific requirements such as EGR delete or speed limiter removal can be included in the file where supported at no additional cost. The modified files will be emailed back to you to copy onto the ByteFLASH Touch tuning tool before loading onto your car.

    ByteFlash Touch: Advantages of a switchable remap

  • Unlimited tunes. You can switch between maps as often as you like.
  • You can re-use the tool with your next car, where supported.
  • Trouble codes can be read and deleted by ByteFLASH Touch. Save on dealer diagnostic fees!
  • Need a map adjustment at a later date? No problem, we can tweak the tune where required!
  • Available via mail order for delivery worldwide.

    ByteFLASH Touch really means that you can have your cake and eat it. With a choice of three tuning maps at your finger tips, you can switch between vehicle tuning options, and the standard vehicle setting whenever you wish.
  • Customer Cars

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    About JR

    JR Tuning UK is an Engine & Gearbox ECU remapping company based in Kent. Our workshop is located 20 minutes from Maidstone, in Headcorn, Kent. We provide performance and economy engine ecu remapping for cars, vans and trucks along with gearbox TCU remapping. Our engine and gearbox remaps are arguably some of the best in the world providing huge gains in power and torque along with sharper throttle response, smoother power delivery and better fuel economy. Our economy remapping can offer 10-25% fuel savings depending on your vehicle. Our performance remapping can offer up to 50% power gains depending on vehicle. Our gearbox remap software offers faster and smoother shifts, higher vehicle power outputs and an improved shift pattern.

    Contact JR

    JR Tuning UK
    Heartsay Garage
    Headcorn Road
    Biddenden
    Kent, TN27 8JY

    Phone: 01580 392018
    E-mail: info@jrtuning.co.uk