4.4 (M) - 555ch Tuning
BMW X6 M: detailed power and torque gains by stage.
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Stage 1 for your X6 M: garage prices
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Gains by stage(4)
Power
555 hp
Torque
680 Nm
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Stage 1 file for the 4.4 (M) - 555ch
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 4.4 (M) - 555ch tuning
Tuning the 4.4 (M) - 555ch found in the BMW X6 M 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 X6 M 4.4 (M) - 555ch, tuning delivers up to +135 hp and +200 Nm depending on the stage. Stock vs tuned figures:
| Stage | Power | Torque | Indicative price |
|---|---|---|---|
| Stage 1 | 555 → 630 hp | 680 → 800 Nm | On quote |
| Stage 2 | 555 → 690 hp | 680 → 880 Nm | On quote |
| E85 Flexfuel | 555 → 555 hp | 680 → 680 Nm | On quote |
| E85+ | 555 → 630 hp | 680 → 800 Nm | On quote |