Performance ECU Tune - BMW E30 M20

Unlock your BMW E30's true potential with our custom ECU tune. Optimized for the M20 engine with gains of up to 25% horsepower and improved throttle response. Features: - Custom dyno-tuned maps - Improved fuel economy - Enhanced throttle response - Removable (can revert to stock) - Lifetime updates included Compatible with BMW E30 M20B20, M20B25, and M20B27 engines.