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The standard power of your BMW M3 M3 321hp vehicle is factory 321 hp / 350 nm. After BMW M3 chip tuning custom vehicle software, your vehicle will gain +29 hp / +30 nm additional power and reach a total power of 350 hp / 380 nm. Since there will be no change in the exhaust emission values of your vehicle, there will be no smoke in your vehicle.
BMW M3 M3 321hp chip tuning stage1 file is completed in about 1-2 hours.
| Type of fuel | petrol |
| Method | Chiptuning |
| Tuning type | Stage 1 |
| Cylinder content | 3201 CC |
| Compression ratio | 11.30 : 1 |
| Bore X stroke | 86.40 X 91.00 mm |
| Engine number | 326S1 |
| Engine ECU | Siemens/Continental MS41 / Siemens/Continental MSS50 |
| Gearbox ECU |
