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Stage 1 for your Z4: garage prices
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Gains by stage(4)
Power
156 hp
Torque
240 Nm
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Tuners · ChiptuneFILE
Stage 1 file for the 18i - 156ch
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 18i - 156ch tuning
Tuning the 18i - 156ch 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 18i - 156ch, tuning delivers up to +134 hp and +160 Nm depending on the stage. Stock vs tuned figures:
| Stage | Power | Torque | Indicative price |
|---|---|---|---|
| Stage 1 | 156 → 260 hp | 240 → 360 Nm | On quote |
| Stage 2 | 156 → 290 hp | 240 → 400 Nm | On quote |
| E85 Flexfuel | 156 → 156 hp | 240 → 240 Nm | On quote |
| E85+ | 156 → 260 hp | 240 → 360 Nm | On quote |