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Stage 1 for your X3: garage prices
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Gains by stage(4)
Power
354 hp
Torque
500 Nm
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Tuners · ChiptuneFILE
Stage 1 file for the 40i - 354ch
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 - 354ch tuning
Tuning the 40i - 354ch found in the BMW X3 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 X3 40i - 354ch, tuning delivers up to +106 hp and +140 Nm depending on the stage. Stock vs tuned figures:
| Stage | Power | Torque | Indicative price |
|---|---|---|---|
| Stage 1 | 354 → 420 hp | 500 → 580 Nm | On quote |
| Stage 2 | 354 → 460 hp | 500 → 640 Nm | On quote |
| E85 Flexfuel | 354 → 354 hp | 500 → 500 Nm | On quote |
| E85+ | 354 → 420 hp | 500 → 580 Nm | On quote |