Professional ECU Remapping & Vehicle Tuning
Boost performance, improve fuel efficiency, and get expert tuning services across North Wales and the North West.
Location
Que Sera, Pentre Hill, Flint, UK

20+ Years Experience
1000+ Customers
Specified Viezu Dealer
Bespoke Custom Remapping
Safe software optimisation designed to improve engine performance or fuel efficiency with no hardware modifications.
A Stage 1 ECU remap focused on increasing power and torque while maintaining factory safety limits and engine reliability.
A fuel-efficiency focused Stage 1 remap that optimises engine mapping to reduce fuel consumption while keeping smooth drivability.
Specialist ECU optimisation and emission system solutions for modern vehicles.
Optimisation of transmission control units for smoother gear shifts and improved driving performance
Safe cloning of ECU data for replacements, fault recovery, and vehicle compatibility
Broadway Remapping specialises in ECU remapping and vehicle diagnostics across North Wales, Flintshire, and the wider North West. We are a family-run business based in North Wales, with over 20 years of experience in providing expert automotive services
We rewrite the files to your ECU to increase not only the performance but also the fuel economy of many vehicles. We are based near Greenfield in North Wales - feel free to visit us today.
We welcome customers from all over North Wales including Flint, Flintshire, Connahs Quay, Mold, Buckley, Hawarden, Prestatyn, Chester, The Wirral, and the wider North West We are based near Flint for you to pop by to see us. If you want a top-tier remapping service, Broadway Remapping is the place to be.
+ Expert Technicians
+ Quality Workmanship


Here's what our clients have to say about our service.
Mark remapped my 140TDi (also fitted a RamAir induction kit at the same time) taking it to slightly north of 190bhp, what an amazing difference! Also my fuel economy has risen considerably which was a shock to averaging 57.6mpg around town and 63mpg on long motorway runs. Communication was great with Mark, I left the car with him for the morning and had in back within an hour! Can't praise him enough! Fantastic service and all round lovely guy/company to deal with !.
Fantastic work by Mark highly recommend him thank you. Had loss of power kept going into limp mode Vauxhall could not find fault. I was recommended by a friend to contact mark. Very helpful 1 hour with mark and have more power and more economical. Thank you.
Excellent service , 2nd remap I've had off mark ,I run wrecsam dubz club And he is the only person I recommend for remaps to my club members , thanks again mark.
Mark tuned my vw caddy van for me after having all sorts of problems. Amazing service, really nice guy and the van had been reliable since. Thanks Broadway remapping
Recently had my car remapped. Very pleased with the final results. My car certainly has more power now. Mark & his wife are really nice people & very knowledgeable. Communication could be a bit prompter but I know they did have a problem with their phones. Saying that, I would use their services again & I would recommend them. Thank you
2010 Volvo V50 1.6d ecoboost remapped. Finally the car now running well with no engine management lights on. Much better service than the Volvo dealership..
Explore our workshop - craftsmanship, precision, and passion in every detail.
















Discover your vehicle's performance potential and receive a personalised quote instantly.
From the Wirral and Chester in the east, through Wrexham and Flintshire, across Denbigh, Conwy, and Llandudno, all the way to Bangor, Anglesey, and Holyhead; Broadway Remapping brings professional ECU tuning to drivers across the region.


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Que Sera, Pentre Hill,
Flint Mountain, Flint, United Kingdom
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