BMW M3 343 (E46)
Remapping Bath
BMW M3 343 (E46) in Bath. 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 M3 343 (E46): standard vs remapped
Petrol engine. Indicative stage 1 figures, fully dyno tested.
Power
+25 bhp · +7%- Standard343 bhp
- Remapped368 bhp
Torque
+45 Nm · +12%- Standard365 Nm
- Remapped410 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 M3 343 (E46)? Our figures show power up from 343 to 368 bhp (+7%) and torque up from 365 to 410 Nm (+12%), a stage 1 result you can book in Bath.
Treat the numbers as a guide: they are stage 1 estimates for a petrol BMW 3 Series in sound condition, and individual cars differ.
BMW M3 343 (E46): remap at a glance
- Fuel: Petrol
- Standard power: 343 bhp, remapped: 368 bhp (+25 bhp, +7%)
- Standard torque: 365 Nm, remapped: 410 Nm (+45 Nm, +12%)
- Service: stage 1 ECU remap, fully dyno tested
What a remap does for a petrol BMW 3 Series
Petrol engines are remapped by refining fuelling, ignition timing and, on turbocharged engines, boost control. Done carefully this releases performance the manufacturer left in reserve, giving sharper throttle response and a stronger top end.
BMW M3 343 (E46) against other 3 Series engines
Among the 26 petrol 3 Series engines we have figures for, the M3 343 (E46) ranks 5th for power gain, 2 bhp above the 3 Series petrol average of 23 bhp.
Across our whole catalogue the average petrol remap adds 27 bhp and 51 Nm, so this engine's 25 bhp and 45 Nm sits below that benchmark.
BMW 3 Series performance tuning in Bath
Drivers in Bath book through the Bath Remap Experts site, one of our local sites across the UK. We regularly work with drivers in Midsomer Norton, Westbury, Swindon, Radstock and Melksham and nearby areas of the South 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 Bristol, Somerset and Southampton, those neighbouring Remap Experts sites can help too.
Want these figures on your BMW M3 343 (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