BMW 3 serie GT ECU & TCU Tuning Files
Custom BMW 3 serie GT calibration files for approved Australian workshops — typically around +76 hp and +150 Nm. Built from your stock read and data logs, for off-road and competition use.
BMW 3 serie GT — Engine Variants & Typical Gains
Every BMW 3 serie GT 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) |
|---|---|---|
| 340i Performance Package 360hp | 359 → 435 hp | 500 → 650 Nm |
| 340i 326hp | 326 → 402 hp | 450 → 600 Nm |
| 335d 313hp | 312 → 388 hp | 630 → 780 Nm |
| 335D 313hp | 312 → 388 hp | 630 → 780 Nm |
| 335i 306hp | 306 → 382 hp | 400 → 550 Nm |
| 330D PP 286hp | 286 → 362 hp | 600 → 750 Nm |
| 330D 258hp | 257 → 334 hp | 560 → 710 Nm |
| 330d 258hp | 257 → 334 hp | 560 → 710 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 GT Tuning Files — Common Questions
How much power can a BMW 3 serie GT gain from tuning?
Typical gains for the BMW 3 serie GT are around +76 hp and +150 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 GT 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 GT 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 GT?
Register your workshop to upload the stock read and have the calibration developed and revised around your data.