BMW M3 & M4 ECU Tuning in the GCC — Qatar, Saudi Arabia & UAE
BMW M3 and M4 — The GCC Tuning Guide
The BMW M3 and M4 are two of the most heavily modified performance cars in the GCC. From the F80 M3 and F82 M4 running the S55 twin-turbo inline-six to the G80 M3 and G82 M4 on the S58 platform, BMW built these engines with significant factory detuning. A proper calibration removes those restrictions.