35i (N54) - 306ch Tuning
BMW Z4: detailed power and torque gains by stage.
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Gains by stage(4)
Power
306 hp
Torque
400 Nm
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Stage 1 file for the 35i (N54) - 306ch
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 35i (N54) - 306ch tuning
Tuning the 35i (N54) - 306ch found in the BMW Z4 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 Z4 35i (N54) - 306ch, tuning delivers up to +94 hp and +150 Nm depending on the stage. Stock vs tuned figures:
| Stage | Power | Torque | Indicative price |
|---|---|---|---|
| Stage 1 | 306 → 365 hp | 400 → 500 Nm | On quote |
| Stage 2 | 306 → 400 hp | 400 → 550 Nm | On quote |
| E85 Flexfuel | 306 → 306 hp | 400 → 400 Nm | On quote |
| E85+ | 306 → 365 hp | 400 → 500 Nm | On quote |