BHP+36 hp (20%)
Standard
184 hp
Tuned
220 hp
Torque+90 Nm (23%)
Standard
390 Nm
Tuned
480 Nm
Suitability
Good (7.5/10)Gains Profile
BalancedHeadroom
HighBMW 3 Series 330D 184hp ECU Remapping
Considering an ECU remap for your BMW 3 Series 330D 184hp? A Stage 1 remap can take this E46 - 1998 - 2005 diesel engine from 184 BHP to 220 BHP and from 390 Nm to 480 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
- 87thof 141 BMW 3 Series engines by power gain
- 60%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 184hp is a 2.9L turbocharged diesel engine producing 184 BHP and 390 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 220 BHP and 480 Nm — a gain of around 36 BHP (20%) and 90 Nm (23%).
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.