DEIZ Garage has completed a Stage 2 performance upgrade for the BMW M3 Competition, combining hardware upgrades with a custom ECU calibration developed alongside Morendi.

Baseline dyno testing recorded 552 hp and 670 Nm. Following the installation of downpipes and Stage 2 tuning, output increased to 650 hp and 800 Nm.

Rather than focusing solely on peak numbers, the calibration prioritizes smooth torque delivery, improved throttle response, and consistent power under load. All results were measured and validated on the DEIZ Dyno.

The final setup delivers strong, reliable performance suitable for daily driving, even in demanding temperature conditions.

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