Rover 420 Sdi 105
Remapping in Berkshire
Rover 420 Sdi 105 in Berkshire. 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
Rover 420 Sdi 105: standard vs remapped
Diesel engine. Indicative stage 1 figures, fully dyno tested.
Power
+35 bhp · +33%- Standard105 bhp
- Remapped140 bhp
Torque
+70 Nm · +33%- Standard210 Nm
- Remapped280 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 Rover 420 Sdi 105 in Berkshire can expect a stage 1 remap to take it from 105 to 140 bhp and from 210 to 280 Nm, an extra 35 bhp (33%) and 70 Nm (33%).
The figures above are estimates for a standard, well-maintained Rover 420 diesel; they are not a guarantee of any particular result.
Rover 420 Sdi 105 power and torque after remapping
- Fuel: Diesel
- Standard power: 105 bhp, remapped: 140 bhp (+35 bhp, +33%)
- Standard torque: 210 Nm, remapped: 280 Nm (+70 Nm, +33%)
- Service: stage 1 ECU remap, fully dyno tested
How remapping works on a diesel Rover 420
On a diesel the ECU decides how much fuel is injected and how hard the turbo works. A remap adjusts those calibrations within safe limits, so the gains show up mainly as extra torque low in the rev range and smoother, more responsive pull.
Book engine remapping for your Rover 420 in Berkshire
Remap Experts has a dedicated Berkshire site, so you deal with a local team backed by a national network. We regularly work with drivers in Slough, Windsor, Twyford, Thatcham and Sandhurst and nearby areas of the South East.
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 Surrey, Basingstoke and Milton Keynes, those neighbouring Remap Experts sites can help too.

Want these figures on your Rover 420 Sdi 105?
Send your details and a specialist will confirm what is possible for your engine.
Included
What we can do for your Rover 420
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