VW Phaeton 4.2 V8 335
ECU Remapping in Scotland
VW Phaeton 4.2 V8 335 in Scotland. Standard and remapped figures for this exact engine.

- Fully dyno tested remaps
- 30 day money back guarantee
- Lifetime software warranty
- UK-wide local network
Remap stats
VW Phaeton 4.2 V8 335: standard vs remapped
Petrol engine. Indicative stage 1 figures, fully dyno tested.
Power
+22 bhp · +7%- Standard335 bhp
- Remapped357 bhp
Torque
+40 Nm · +9%- Standard430 Nm
- Remapped470 Nm
Tuning figures are indicative estimates, not guaranteed results. Actual results depend on the condition of the vehicle.
Prices from £130
Fully dyno tested | 30 day money back guarantee | Lifetime software warranty
Owners of the VW Phaeton 4.2 V8 335 in Scotland can expect a stage 1 remap to take it from 335 to 357 bhp and from 430 to 470 Nm, an extra 22 bhp (7%) and 40 Nm (9%).
The figures above are estimates for a standard, well-maintained Volkswagen Phaeton petrol; they are not a guarantee of any particular result.
VW Phaeton 4.2 V8 335: remap at a glance
- Fuel: Petrol
- Standard power: 335 bhp, remapped: 357 bhp (+22 bhp, +7%)
- Standard torque: 430 Nm, remapped: 470 Nm (+40 Nm, +9%)
- Service: stage 1 ECU remap, fully dyno tested
How ECU remapping works on a petrol Volkswagen Phaeton
Factory petrol calibrations leave margin for poor fuel and hot climates. A remap tunes the ignition, fuelling and boost maps to make better use of that margin, which shows up as livelier throttle response and stronger acceleration.
How the VW Phaeton 4.2 V8 335 compares
Of the 3 petrol Phaeton engines in our data, this one comes 3rd for power gain, which is 12 bhp below the Phaeton petrol average of 34 bhp.
Across our whole catalogue the average petrol remap adds 27 bhp and 51 Nm, so this engine's 22 bhp and 40 Nm sits below that benchmark.
Volkswagen Phaeton engine tuning in Scotland
Remap Experts has a dedicated Scotland site, so you deal with a local team backed by a national network. We regularly work with drivers in Penicuilk, Kirkcaldy, Musselburgh, Livingston and Gorebridge and nearby areas of Scotland.
Each remap is dyno tested before it is signed off, and is protected by a 30 day money back guarantee and a lifetime software warranty. Ask for a quote online or by phone.
If you are closer to Edinburgh, Glasgow and Fife, those neighbouring Remap Experts sites can help too.

Get a quote for your VW Phaeton 4.2 V8 335
Tell us about your car and we will come back with a quote by SMS or phone.
Included
What we can do for your Volkswagen Phaeton
Stage 1 ECU remap
Add power and torque and improve driveability. Software only, tailored to your engine.
ECU repair and testing
Is your engine control unit playing up? We can arrange testing and repair, and source replacement ECUs.
DPF and EGR fault repair
Persistent DPF or EGR errors diagnosed and resolved in accordance with all current road-legal standards.
Engine carbon cleaning
Fault finding and carbon cleaning for the inside of your engine, typically completed in a couple of hours.
From quote to remapped in four steps
No jargon and no pressure. Here is exactly what happens.
- 01
Find your vehicle
Choose your make, model and engine to see the standard and remapped power and torque for your car.
- 02
Request a quote
Send your details and we contact you by SMS or call back with a quote. No obligation.
- 03
Book with your local site
Your local Remap Experts site arranges the remap and answers any questions about your car.
- 04
Remapped and dyno tested
Your remap is fully dyno tested, with a 30 day money back guarantee and a lifetime software warranty.
Everything you need to know
Plain-English guides to how remapping works, what it does and what to check first.
- 6 min read
What is ECU remapping?
The engine control unit, what a remap changes, and who it suits.
Read guide - 5 min read
The benefits of ECU remapping
More torque, better driveability and the potential for better economy.
Read guide - 6 min read
How ECU remapping works, step by step
From reading the original software to the dyno test.
Read guide