BMW 320d 163 (E46)
ECU Tuning in Blackburn
BMW 320d 163 (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 320d 163 (E46): standard vs remapped
Diesel engine. Indicative stage 1 figures, fully dyno tested.
Power
+45 bhp · +27%- Standard164 bhp
- Remapped209 bhp
Torque
+83 Nm · +30%- Standard280 Nm
- Remapped363 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 BMW 320d 163 (E46) gives 164 bhp and 280 Nm. Remapped in Blackburn, we record 209 bhp and 363 Nm, so 45 bhp and 83 Nm more, or 27% and 30% respectively.
These are indicative figures for a diesel BMW 3 Series in good health. Your own results depend on the condition of the car.
BMW 320d 163 (E46): remap at a glance
- Fuel: Diesel
- Standard power: 164 bhp, remapped: 209 bhp (+45 bhp, +27%)
- Standard torque: 280 Nm, remapped: 363 Nm (+83 Nm, +30%)
- Service: stage 1 ECU remap, fully dyno tested
How ECU tuning works on a diesel BMW 3 Series
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.
How the BMW 320d 163 (E46) compares
Ranked by power gain against the other diesel 3 Series engines (13 in total), the 320d 163 (E46) is 1st, 8 bhp above 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 45 bhp and 83 Nm sits at or above that benchmark.
Book engine remapping for your BMW 3 Series in Blackburn
Remap Experts Blackburn is part of the UK-wide Remap Experts network. We regularly work with drivers in Darwen, Preston, Manchester, Blackpool and Nelson and nearby areas of the North 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 Preston, Manchester and Lancaster, those neighbouring Remap Experts sites can help too.

Want these figures on your BMW 320d 163 (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