CTS Turbo Diverter Valve Spacer for F2X/F3X 228i/328i/428i with N20/N26

The CTS Turbo Diverter Valve Spacer addresses common boost control issues on BMW N20 and N26 turbocharged four-cylinder engines. Designed specifically for F22, F30 and F32 chassis 228i, 328i and 428i models, this precision-machined spacer improves diverter valve sealing and response under elevated boost conditions. Installation positions the factory valve further from the turbo outlet, reducing heat soak while maintaining proper vacuum signal strength. Essential for tuned vehicles experiencing valve flutter or inconsistent boost behaviour, this upgrade supports more aggressive calibrations without requiring full valve replacement.