🏁 Motorsport‑style custom tuning 📍 Hounslow • Mobile available

Custom ECU Remaps & Rolling Road Tuning

Stage 1 / Stage 2 / Stage 3 tuning, switchable maps, BMW ECU unlocks and more — built on the dyno with you there, so you can feel the difference.

Dyno‑built
Custom rolling road tuning
Any car
Petrol & diesel platforms
Mobile
We can come to you

We tune within local laws and regulations. If you’re building a track/off‑road car, tell us your goals and we’ll advise what’s appropriate.

Quick Quote

Tell us your car + what you want. We’ll reply ASAP.

Prefer WhatsApp? Message us here

Services

Built for drivability, torque and reliability — with clear options depending on your setup.

Stage 1 / 2 / 3 Tuning

Performance remaps tailored to your car, fuel and supporting mods.

  • Torque & throttle optimisation
  • Boost & fuelling calibration
  • Custom map for your setup

Switchable Maps

Multiple maps you can switch between — e.g. eco / performance / valet.

  • Custom profiles
  • Daily‑friendly options
  • Explained at handover

BMW ECU Unlocks

Unlock solutions for select newer BMW ECUs (subject to model/year).

  • Eligibility check
  • Safe, proven methods
  • Next‑step tuning support

TCU (Gearbox) Mapping

Sharper shifts, better torque handling and improved drivability.

  • Shift strategy optimisation
  • Torque limit adjustments
  • Matched to ECU tune

Pops & Bangs

Motorsport‑style overrun features where appropriate and lawful.

  • Configurable intensity
  • Drive‑mode dependent (where supported)
  • Health‑first setup advice

Limiters & Diagnostics

Speed limiter adjustments, soft limiter options, and fault finding.

  • Top speed limiter adjustments (where legal)
  • Soft limiter (where supported)
  • Logs, scans & troubleshooting
Important: MK Modifications operates within applicable laws and regulations. We don’t advertise emissions‑defeat services for road vehicles. If you have a warning light or emissions-related issue, we can help with diagnostics and compliant solutions.

Why MK Modifications

Not just a file upload — this is custom rolling road tuning with you in the loop.

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Custom calibration

Every car is different. Maps are built around your hardware, fuel and goals.

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Dyno session

Rolling road tuning so you can see and feel the results in real time.

🤝

Customer sign‑off

You decide when you’re happy with the end result before you leave.

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Mobile available

Based in Hounslow — available to travel depending on the job.

Partnered with DDGdevelopments

MK Modifications is partnered with DDGdevelopments — a well-known custom software/developments company. This helps us deliver strong, consistent results across a wide range of platforms.

MK
MODIFICATIONS
Custom Rolling Road Tuning

Book / Contact

Based in Hounslow and available mobile. Message us with your car details and what you want done.

Location
Hounslow, London
Mobile service available
Send a detailed enquiry

This goes straight to our inbox via Netlify Forms.

By submitting, you confirm the info is accurate and that any work requested must be compliant with applicable laws/regulations.