BMW 330d 204 (E46)
ECU Remapping Blackburn
BMW 330d 204 (E46) in Blackburn. 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
BMW 330d 204 (E46): standard vs remapped
Diesel engine. Indicative stage 1 figures, fully dyno tested.
Power
+35 bhp · +17%- Standard204 bhp
- Remapped239 bhp
Torque
+75 Nm · +18%- Standard410 Nm
- Remapped485 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
What does a remap do for the BMW 330d 204 (E46)? Our figures show power up from 204 to 239 bhp (+17%) and torque up from 410 to 485 Nm (+18%), a stage 1 result you can book in Blackburn.
Treat the numbers as a guide: they are stage 1 estimates for a diesel BMW 3 Series in sound condition, and individual cars differ.
BMW 330d 204 (E46): remap at a glance
- Fuel: Diesel
- Standard power: 204 bhp, remapped: 239 bhp (+35 bhp, +17%)
- Standard torque: 410 Nm, remapped: 485 Nm (+75 Nm, +18%)
- Service: stage 1 ECU remap, fully dyno tested
Diesel BMW 3 Series: what changes with a remap
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.
BMW 330d 204 (E46) against other 3 Series engines
Ranked by power gain against the other diesel 3 Series engines (13 in total), the 330d 204 (E46) is 9th, 2 bhp below the 3 Series diesel average of 37 bhp.
Across our whole catalogue the average diesel remap adds 34 bhp and 73 Nm, so this engine's 35 bhp and 75 Nm sits at or above that benchmark.
Book performance tuning for your BMW 3 Series in Blackburn
Drivers in Blackburn book through the Blackburn Remap Experts site, one of our local sites across the UK. We regularly work with drivers in Darwen, Preston, Manchester, Blackpool and Nelson and nearby areas of the North West.
Every remap is fully dyno tested and comes with a 30 day money back guarantee and a lifetime software warranty. Call 0800 779 7864 for a quote.
If you are closer to Preston, Manchester and Lancaster, those neighbouring Remap Experts sites can help too.

Want these figures on your BMW 330d 204 (E46)?
Tell us about your car and we will come back with a quote by SMS or phone.
Included
What we can do for your BMW 3 Series
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 3 Series engines
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