Considering an ECU remap for your BMW M3 M3 CSL 360hp? A Stage 1 remap can take this E46 - 1998 - 2005 petrol engine from 360 BHP to 380 BHP and from 370 Nm to 390 Nm of torque (naturally aspirated). This engine scores 4/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your BMW M3 can achieve.
Comparisons are calculated from our own recorded Stage 1 figures.
The BMW M3 M3 CSL 360hp is a 3.2L naturally aspirated petrol engine producing 360 BHP and 370 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 380 BHP and 390 Nm — a gain of around 20 BHP (6%) and 20 Nm (5%).
This engine has limited remap suitability, though the available headroom is limited, so gains are modest compared to higher-output variants. The tuning headroom is classified as limited, based on the percentage gain available from the factory output.
Considerations: Naturally aspirated engine: gains are usually limited; results vary widely.
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.
| Engine | BHP | Gain | Torque | Gain |
|---|
| Score |
|---|
| M3 343hp | 343 → 365 | +22 | 365 → 390 | +25 | Moderate (4/10) |
Get a personalised remap quote for your BMW M3. We'll connect you with a trusted professional in your area.
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 before proceeding.
