VW Passat B5 Neu 1.8 20v 125
ECU Tuning in Bristol
VW Passat B5 Neu 1.8 20v 125 in Bristol. 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 Passat B5 Neu 1.8 20v 125: standard vs remapped
Petrol engine. Indicative stage 1 figures, fully dyno tested.
Power
+17 bhp · +14%- Standard125 bhp
- Remapped142 bhp
Torque
+46 Nm · +27%- Standard173 Nm
- Remapped219 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
Out of the box the VW Passat B5 Neu 1.8 20v 125 gives 125 bhp and 173 Nm. Remapped in Bristol, we record 142 bhp and 219 Nm, so 17 bhp and 46 Nm more, or 14% and 27% respectively.
These are indicative figures for a petrol Volkswagen Passat in good health. Your own results depend on the condition of the car.
VW Passat B5 Neu 1.8 20v 125 remap figures
- Fuel: Petrol
- Standard power: 125 bhp, remapped: 142 bhp (+17 bhp, +14%)
- Standard torque: 173 Nm, remapped: 219 Nm (+46 Nm, +27%)
- Service: stage 1 ECU remap, fully dyno tested
How ECU tuning works on a petrol Volkswagen Passat
A petrol remap re-works the engine management calibration: air-fuel ratio, ignition advance and boost where fitted. The result is more power and a more immediate throttle, delivered by software rather than hardware changes.
How the VW Passat B5 Neu 1.8 20v 125 compares
Ranked by power gain against the other petrol Passat engines (24 in total), the VW Passat B5 Neu 1.8 20v 125 is 19th, 11 bhp below the Passat petrol average of 28 bhp.
Across our whole catalogue the average petrol remap adds 27 bhp and 51 Nm, so this engine's 17 bhp and 46 Nm sits below that benchmark.
Remapping your Volkswagen Passat in Bristol
Based around Bristol, our team serves local drivers as part of the nationwide Remap Experts network. We regularly work with drivers in Keynsham, Portishead, Nailsea, Kingswood and Clifton and nearby areas of the South West.
All our remaps are fully dyno tested, backed by a 30 day money back guarantee and covered by a lifetime software warranty. Request a quote online or call 0800 779 7864.
If you are closer to Bath, Somerset and Gwent, those neighbouring Remap Experts sites can help too.

Get a quote for your VW Passat B5 Neu 1.8 20v 125
Send your registration and we will confirm the exact remap, the price and the next available slot.
Included
What we can do for your Volkswagen Passat
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.
Same model
Other Passat engines
- VW Passat 6 TDI 2.0 Cr From 2008diesel
- VW Passat B5 1.6 101petrol
- VW Passat B5 1.8 20 V 125petrol
- VW Passat B5 1.8t 20v 150petrol
- VW Passat B5 2.0 8v 115petrol
- VW Passat B5 2.3 V5 170petrol
- VW Passat B5 2.5 V6 TDI 150petrol
- VW Passat B5 2.8 30v 193petrol
- VW Passat B5 2.8 Vr6 174petrol
- VW Passat B5 2.8 Vr6 193petrol
- VW Passat B5 Neu 1.6 102petrol
- VW Passat B5 Neu 1.8t 150petrol
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