DE Register for free

BMW Z3
3.0i 231hp ( 231 PS / 170 kW ) — Tuning File

231 PS stock power · All · Gasoline
Vehicle Data
BrandBMW
ModelZ3
GenerationAll
FuelGasoline
Displacement2,979.0 L
Engine Code306S3
ECUContinental MS45
Stock Power231 PS
Stock Torque300 Nm
Tuning Potential
STAGE1
239 PS +8
Power
314 Nm +14
Torque
+8 PS
Gain
STAGE2
242 PS +11
Power
320 Nm +20
Torque
+11 PS
Gain
Available Options
Exhaust flaps open Lambda OFF Vmax OFF
ECU Remap — BMW Z3 3.0i 231hp ( 231 PS / 170 kW )

The BMW Z3 3.0i 231hp ( 231 PS / 170 kW ) (Gasoline, 231 PS) can be tuned with a Stage 1 ECU remap to 239 PS — a gain of +8 PS without any hardware modifications. Our tuning files target the original ECU software and optimise parameters such as injection timing, boost pressure and fuel maps to unlock the full performance potential.

All tuning files at ecufiles.io are developed and tested by experienced engineers. The original ECU file is always preserved — the remap is 100% reversible at any time.

Frequently Asked Questions
What does an ECU remap do on the BMW Z3 3.0i 231hp ( 231 PS / 170 kW )?
An ECU remap (chiptuning) modifies the engine control unit software to optimise parameters like injection timing, turbo boost pressure and fuel delivery. On the 3.0i 231hp ( 231 PS / 170 kW ), this typically results in more power, better throttle response and improved fuel efficiency at part load.
How much power gain is possible with Stage 1 on the 3.0i 231hp ( 231 PS / 170 kW )?
Stage 1 brings the 3.0i 231hp ( 231 PS / 170 kW ) from 231 PS to 239 PS — a gain of +8 PS. No hardware modifications are required, making it the most popular and cost-effective tuning option.
Is chiptuning reversible on the BMW Z3?
Yes. We always save the original ECU file before applying any remap. The tuning can be fully reversed to factory settings at any time.
How fast do I receive the tuning file?
We process orders Monday to Friday from 08:00–20:00 and Saturday from 10:00–16:00. Most tuning files for the BMW Z3 are delivered within 1–3 hours after uploading your original file.

Order Tuning File for BMW Z3

Upload your original file — we deliver the right tuning file for your 3.0i 231hp ( 231 PS / 170 kW ). Fast, secure, credit-based. B2B access for chiptuning professionals.

Register for free Log in