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Stage 1 for your Z4: garage prices
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Gains by stage(4)
Power
184 hp
Torque
270 Nm
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Tuners · ChiptuneFILE
Stage 1 file for the 20i - 184ch
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 20i - 184ch tuning
Tuning the 20i - 184ch 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 20i - 184ch, tuning delivers up to +106 hp and +150 Nm depending on the stage. Stock vs tuned figures:
| Stage | Power | Torque | Indicative price |
|---|---|---|---|
| Stage 1 | 184 → 260 hp | 270 → 380 Nm | On quote |
| Stage 2 | 184 → 290 hp | 270 → 420 Nm | On quote |
| E85 Flexfuel | 184 → 184 hp | 270 → 270 Nm | On quote |
| E85+ | 184 → 260 hp | 270 → 380 Nm | On quote |