BHP+46 hp (23%)
Standard
204 hp
Tuned
250 hp
Torque+90 Nm (22%)
Standard
410 Nm
Tuned
500 Nm
Suitability
Good (7.5/10)Gains Profile
BalancedHeadroom
HighBMW 3 Series 330D 204hp ECU Remapping
Considering an ECU remap for your BMW 3 Series 330D 204hp? A Stage 1 remap can take this E46 - 1998 - 2005 diesel engine from 204 BHP to 250 BHP and from 410 Nm to 500 Nm of torque (turbocharged). This engine scores 7.5/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your BMW 3 Series can achieve.
How this engine compares
- 66thof 141 BMW 3 Series engines by power gain
- 74%of the 9,842 engines we hold gain data for see a smaller power increase
- 74%of engines with torque data see a smaller torque increase
Comparisons are calculated from our own recorded Stage 1 figures.
Assessment
The BMW 3 serie 330D 204hp is a 3.0L turbocharged diesel engine producing 204 BHP and 410 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 250 BHP and 500 Nm — a gain of around 46 BHP (23%) and 90 Nm (22%).
This engine scores highly for remap suitability, with a balanced spread of gains across both power and torque — providing a noticeable improvement across the rev range. The tuning headroom is classified as high, based on the percentage gain available from the factory output.
From a technical perspective, the ECU is typically a Bosch EDC15 (likely).
Considerations: High tuned torque: check transmission torque capacity and service history.. 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
!High tuned torque: check transmission torque capacity and service history.
!Older diesel: injector, turbo and intake condition can affect results; ensure maintenance is up to date.