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Stage 1 for your Z4: garage prices
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Gains by stage(4)
Power
258 hp
Torque
300 Nm
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Tuners · ChiptuneFILE
Stage 1 file for the 30i - 258ch
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 30i - 258ch tuning
Tuning the 30i - 258ch 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 30i - 258ch, tuning delivers up to +42 hp and +50 Nm depending on the stage. Stock vs tuned figures:
| Stage | Power | Torque | Indicative price |
|---|---|---|---|
| Stage 1 | 258 → 270 hp | 300 → 322 Nm | On quote |
| Stage 2 | 258 → 300 hp | 300 → 350 Nm | On quote |
| E85 Flexfuel | 258 → 258 hp | 300 → 300 Nm | On quote |
| E85+ | 258 → 270 hp | 300 → 322 Nm | On quote |