Example dyno run
BMW 320d · Stage 1
Peak BHP
230
Peak Nm
468
ECU remapping · Bristol & South West
Stage 1 and Stage 2 remaps with rolling-road proof, transparent pricing and maps built for how you actually drive — not generic files off a USB stick.
+42
avg BHP gain
4.9★
Google rating
100%
map backup
We cover
Dyno proof
Every remap includes a before-and-after rolling-road graph so customers know exactly what they're buying — not vague promises.
Example dyno run
BMW 320d · Stage 1
Peak BHP
230
Peak Nm
468
01
Verified on our dyno
Not desktop guesses — every file validated on the rolling road.
02
Original map backed up
We keep your factory file safe and can restore it any time.
03
Driveability first
Smooth power delivery with safe temps and sensible torque limits.
Performance packages

Road remap
Stage 1
Optimised fuelling, timing and boost for safe daily gains without hardware changes.
+35–55 BHP
From £299
Most bookedHardware supported
Stage 2
Downpipe, intake and intercooler packages with a custom map for maximum reliable power.
+60–90 BHP
From £549

Commercial vans
Fleet Eco
Torque-focused maps that improve driveability and reduce fuel spend across mixed routes.
+12% economy
From £249
Custom calibration
Maps built for how you actually drive.
Transparent pricing
How it works

We confirm engine health, service history and your goals before any work begins.

Rolling-road run captures stock power and torque as your proof baseline.

Maps are built for your exact hardware, fuel and how you actually drive.

Final dyno graph, new figures and aftercare guidance before you leave.

Fleet & commercial
Torque-focused calibrations that make loaded vans easier to drive and can reduce fuel spend across stop-start routes — with reporting your ops team can actually use.
FAQ
We provide a full backup of your original map and can return the vehicle to stock at any time. Notify your insurer of any performance changes.
Most vehicles are completed within 2–3 hours including a health check and road test.
If you're not satisfied with the driveability of your remap, we'll restore the original file or adjust at no extra cost within 14 days.
Get your quote
We'll confirm compatibility, expected gains and the right stage for your vehicle — usually within one working hour.
Unit 8, Avon Industrial Park, Bristol, BS4 3QB
0117 496 2280
hello@redlineremap.co.uk
Mon – Sat: 9:00 – 18:00
Your registration
Car
Van / SUV