BHP+27 hp (17%)
Standard
163 hp
Tuned
190 hp
Torque+40 Nm (11%)
Standard
350 Nm
Tuned
390 Nm
Suitability
Good (6.5/10)Gains Profile
Power-focusedHeadroom
MediumAudi A4 2.5 TDI 163hp ECU Remapping
Considering an ECU remap for your Audi A4 2.5 TDI 163hp? A Stage 1 remap can take this B6 - 2001 - 2004 diesel engine from 163 BHP to 190 BHP and from 350 Nm to 390 Nm of torque (turbocharged). This engine scores 6.5/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your Audi A4 can achieve.
How this engine compares
- 85thof 101 Audi A4 engines by power gain
- 35%of the 9,842 engines we hold gain data for see a smaller power increase
- 21%of engines with torque data see a smaller torque increase
Comparisons are calculated from our own recorded Stage 1 figures.
Assessment
The Audi A4 2.5 TDI 163hp is a 2.5L turbocharged diesel engine producing 163 BHP and 350 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 190 BHP and 390 Nm — a gain of around 27 BHP (17%) and 40 Nm (11%).
This engine has moderate remap suitability, with gains weighted towards peak power — the improvement is most noticeable at higher RPM. The tuning headroom is classified as moderate, based on the percentage gain available from the factory output.
From a technical perspective, the ECU is typically a Bosch EDC15 (likely), and the transmission is manual and dsg/s tronic automatics are common depending on model/engine..
Considerations: Older diesel: injector, turbo and intake condition can affect results; ensure maintenance is up to date.
Fuel economy note: possible improvement with conservative driving.
All figures shown are typical estimates based on aggregated Stage 1 data for this engine variant. Actual results depend on vehicle condition, mileage, and the chosen tuning method. We recommend discussing your specific vehicle with a qualified remap professional.
Considerations
!Older diesel: injector, turbo and intake condition can affect results; ensure maintenance is up to date.