BMW 3 serie ECU & TCU Tuning Files
Custom BMW 3 serie calibration files for approved Australian workshops — typically around +196 hp and +350 Nm. Built from your stock read and data logs, for off-road and competition use.
BMW 3 serie — Engine Variants & Typical Gains
Every BMW 3 serie file is developed from the vehicle's own stock read and your declared hardware, then refined against your data logs using MHD, bootmod3, ECUtek.
| Engine variant | Power (stock → tuned) | Torque (stock → tuned) |
|---|---|---|
| M3 Competition 450hp | 451 → 647 hp | 550 → 900 Nm |
| M3 431hp | 430 → 627 hp | 550 → 900 Nm |
| M3 420hp | 420 → 616 hp | 400 → 750 Nm |
| M340i 374hp | 374 → 570 hp | — |
| 335i Active Hybrid 340hp | 341 → 537 hp | 400 → 750 Nm |
| M340d 340hp | 341 → 537 hp | — |
| 335i - N54 PPK - 326hp | 326 → 522 hp | 450 → 800 Nm |
| 340i xDrive 326hp | 326 → 522 hp | 450 → 800 Nm |
Tuned figures are typical estimates from this model's gains; actual results depend on variant, fuel and supporting hardware, and are verified from your logs.
Dyno-Verified BMW Results
Before-and-after results from real BMW calibrations in the tune archive.
BMW 3 serie Tuning Files — Common Questions
How much power can a BMW 3 serie gain from tuning?
Typical gains for the BMW 3 serie are around +196 hp and +350 Nm, developed from the stock read and verified against your data logs. Exact figures depend on the variant, fuel and supporting hardware.
Are BMW 3 serie tuning files custom?
Yes — every BMW file is built for the specific vehicle and its declared hardware using MHD, bootmod3, ECUtek, then refined from your logged data. We do not supply generic, off-the-shelf maps.
Do you supply BMW 3 serie files Australia-wide?
Yes. BMW ECU and TCU files are delivered remotely through the dealer portal to approved workshops in every Australian state and territory, for off-road and competition use.
Tuning a BMW 3 serie?
Register your workshop to upload the stock read and have the calibration developed and revised around your data.
