40i - 320ch Tuning
BMW 6-serie: detailed power and torque gains by stage.
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Gains by stage(4)
Power
320 hp
Torque
450 Nm
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Stage 1 file for the 40i - 320ch
Send the ECU read, get back an optimised and tested file.
- Stage 1, Stage 2, E85
- Checksum corrected, original file kept
- For professionals only
Everything about 40i - 320ch tuning
Tuning the 40i - 320ch found in the BMW 6-serie is one of the most popular performance upgrades. This engine offers excellent potential for power and torque gains.
On ChiptuneMAP, find verified gain data for each stage, compare tuner prices and find the ideal professional for your project.
Gains summary by stage
On the BMW 6-serie 40i - 320ch, tuning delivers up to +90 hp and +170 Nm depending on the stage. Stock vs tuned figures:
| Stage | Power | Torque | Indicative price |
|---|---|---|---|
| Stage 1 | 320 → 370 hp | 450 → 560 Nm | On quote |
| Stage 2 | 320 → 410 hp | 450 → 620 Nm | On quote |
| E85 Flexfuel | 320 → 320 hp | 450 → 450 Nm | On quote |
| E85+ | 320 → 370 hp | 450 → 560 Nm | On quote |