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Obsidian Custom Designs · Near Uxbridge

ECU Engine Remapping & Tuning

Over 20 yearsof experience in detailing & PPF

A more responsive drive, tailored to your car. We check your vehicle and discuss suitable ECU or gearbox software before confirming the work and your quote.

Inside the Obsidian workshop near Uxbridge

Our studio. Send your registration so we can check your car and quote for remapping.

Choose your starting point

Options for your car.

Vehicle suitability, exact coverage and the final quote are confirmed before booking.

Stage 1 Remap

From £299

  • Bespoke software calibration for stock engines
  • Vehicle-specific power and torque estimates
  • Improved throttle response
Full package details
  • Pre & post-tuning OBD diagnostic scan
  • Original software backup in database
  • Software warranty terms confirmed with your quote
Enquire about this option

Stage 2 & Performance

From £449

  • High-performance tuning for modified hardware
  • Supporting hardware and ECU compatibility assessment
  • Road-use emissions requirements retained
Full package details
  • Fuel and operating requirements agreed
  • Expected results discussed for your specification
  • Post-tuning checks
  • Software warranty terms confirmed with your quote
Enquire about this option

Specialist Software — Non-Road Only

From £349

  • AdBlue/SCR, DPF/OPF and EGR software enquiries
  • Lawful non-road applications only, subject to individual assessment
  • Emissions-system modifications can make a vehicle unlawful for road use
Full package details
  • Not offered for vehicles used on public roads
  • A disclaimer does not override emissions or road-use law
  • Compatibility, scope and applicable requirements checked before acceptance
Enquire about this option
ECU Software & Calibration

Engine Performance &
Software Solutions.

Send your registration, make, model, year and any existing modifications. We will confirm ECU compatibility, realistic expected results, fuel requirements and the work included in your quote.

From £299Standard Hardware

Stage 1 ECU Remap

Software calibration for suitable petrol and diesel vehicles with standard hardware. We assess your exact engine, ECU and vehicle condition before confirming the options.

  • Vehicle-specific power and torque estimates
  • Throttle response and everyday drivability
  • Pre- and post-tuning diagnostic checks
  • Registration required for an accurate quote
Pre-Tuning Health Check IncludedBook Remap
From £449Supporting Hardware Required

Stage 2 Performance

Calibration for suitable vehicles with supporting hardware upgrades. The hardware, intended use and compatibility must be reviewed before work is agreed.

  • Tell us about all existing modifications
  • Hardware requirements confirmed before booking
  • Road-use emissions requirements must be retained
  • Work and pricing agreed for your exact vehicle
Pre-Tuning Health Check IncludedBook Remap
Lawful Non-Road Applications Only

Specialist ECU Software Enquiries

AdBlue/SCR, DPF/OPF and EGR software, crackle maps and VMAX options require individual assessment of the vehicle, hardware and intended use. These services are not offered for vehicles used on public roads. Availability depends on the applicable requirements and, where relevant, venue noise and safety rules.

A signed customer disclaimer does not override the law or make a non-compliant vehicle legal for road use. We do not promise MOT compliance. Send full details so we can assess whether the proposed work can be accepted.

Request a suitability assessment

What could your car gain?

Outputs vary with the exact engine and ECU, fuel, maintenance, modifications and measurement method. A model name alone is not enough to give an accurate figure. We discuss expected gains for your vehicle before booking; power increases and fuel savings are not guaranteed.

Obsidian Custom Designs Uxbridge Remapping and Tuning Studio
Uxbridge Studio Facility
Before You Book

A Clear Plan For Your Vehicle

Remapping changes the manufacturer’s calibration and can affect component wear, warranty and insurance. Tell your insurer before proceeding and check any warranty or finance conditions. We discuss suitability and the agreed work before your appointment.

Original software backup where supported
Restoration options explained before work
Pre- and post-tuning diagnostic checks
Applicable software warranty terms confirmed

A considered approach

The details matter.

We’ll talk through the right specification for your vehicle and how you use it.

See our finished work
Why choose ECU Remapping
  • Calibration options checked for your exact engine and ECU
  • Potential improvements to power, torque and throttle response
  • Expected results discussed for your vehicle, fuel and hardware
  • Pre- and post-tuning diagnostic checks
  • Original software backup and restoration options explained
  • Registration, make, model and year required for an accurate quote
About this service
  • Stage 1 and suitable Stage 2 ECU remapping at our studio near Uxbridge. Send your registration and vehicle details so we can check compatibility, discuss expected results and confirm your quote. Specialist emissions software is assessed separately for lawful non-road applications only; it is not offered for vehicles used on public roads.
Remapping for local drivers
  • We welcome drivers from Gerrards Cross, Stoke Poges, Beaconsfield, Seer Green, Chalfont St Giles, Chalfont St Peter, Amersham, Denham, Iver and Uxbridge.
  • All fitting appointments are at our studio: Tavistock Works, Tavistock Road, Yiewsley, West Drayton, UB7 7QX.
  • Send your registration, make, model and year before travelling. We confirm compatibility, the proposed work, pricing and your appointment.
Preparation & what is included
  • Vehicle and ECU compatibility assessment
  • Pre- and post-tuning diagnostic checks
  • Calibration specification agreed for your exact vehicle
  • Original software backup where supported
  • Expected results, fuel requirements and restoration options explained
  • Software warranty terms confirmed with your quote
From assessment to handover
  • Vehicle Assessment: Confirm registration, engine, ECU, service history and existing modifications.
  • Diagnostic Checks: Check for faults and discuss any work needed before tuning.
  • Agree Your Calibration: Confirm the specification, fuel requirements, expected results and price.
  • Software Installation: Read and back up original software where supported, then install the agreed calibration.
  • Checks & Handover: Complete post-tuning checks and explain care, limitations and applicable software warranty terms.

Before you book

A few useful answers.

What is ECU remapping?

Remapping changes the software calibration controlling engine operation. Suitable vehicles may gain power, torque or a different throttle response. The options and results depend on your engine, ECU, fuel and vehicle condition.

How much does remapping cost?

Stage 1 starts from £299 and Stage 2 from £449. Send your registration, make, model, year and any modifications for an accurate quote. ECU access requirements and the agreed work can affect the final price.

What is the difference between Stage 1 and Stage 2?

Stage 1 is software calibration for suitable vehicles with standard hardware. Stage 2 requires suitable supporting hardware, which we assess before quoting. Emissions-system removal is not included in the road-car offer.

How much power will my car gain?

There is no single figure for every car. Expected gains depend on the exact engine and ECU, fuel, existing hardware and condition. Send your registration so we can discuss a realistic estimate; we do not guarantee a percentage increase.

Will I save fuel?

Fuel consumption depends on the vehicle, calibration and driving style. Economy may improve in some conditions but can worsen when using additional performance. Fuel savings are not guaranteed.

More questions about ecu engine remapping & tuning
Will remapping affect my warranty or insurance?

Remapping changes the original calibration and can affect warranty cover, insurance and component wear. Tell your insurer and check warranty or finance terms before booking. Restoring standard software does not guarantee that previous tuning will be undetectable or that warranty cover will be reinstated.

Can you restore the standard software?

We discuss backup and restoration options for your exact ECU before work. Restoration can be subject to ECU compatibility, subsequent software updates and any hardware changes; it does not erase all evidence of previous tuning.

Do you check the car before tuning?

Yes. We assess suitability and carry out diagnostic checks before tuning. Existing faults or unsuitable hardware may need attention first. A diagnostic scan is not a guarantee against future mechanical faults.

How long should I allow?

Timing depends on ECU access, the checks needed and the agreed work. We confirm an appointment and estimated duration after reviewing your vehicle details.

Are emissions deletes suitable for a road car?

No. Our specialist AdBlue/SCR, DPF/OPF and EGR software enquiries are assessed only for lawful non-road applications, separately from road-car remapping. A vehicle must continue to meet its applicable road-use emissions requirements; DPF removal will almost invariably make it unlawful for road use. Neither a non-road-use label nor a signed disclaimer makes a non-compliant vehicle legal on public roads. We require the exact vehicle and intended use before considering work.

Where is the studio?

Tavistock Works, Tavistock Road, Yiewsley, West Drayton, UB7 7QX, near Uxbridge. Visits are by appointment.

How do I get a remapping quote?

Use our quote form, WhatsApp or call 07754 457777. Please include your registration, make, model, year, engine and existing modifications so we can confirm suitability and pricing.

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Made for your car

Let’s talk details.

Send your registration, make, model and year so we can check your vehicle and confirm remapping pricing and availability.

Tavistock Works, Tavistock Road
Yiewsley, West Drayton, UB7 7QX
Visits by appointment
Call 07754 457777

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