Dinan is proud to announce its new CNC-Machined Cast Aluminum Charge Pipe for BMW B58TU / B58D Gen 2 engines. Designed to replace the factory plastic charge pipe with a stronger, smoother, higher-flowing solution, the Dinan charge pipe improves volumetric efficiency and flows more CFM than the stock component while maintaining a clean, black, OE-plus appearance. Whether installed on a stock vehicle for added confidence or paired with additional Dinan performance upgrades on a tuned B58 build, the Dinan charge pipe delivers the strength, airflow, fitment, and refinement modern BMW enthusiasts expect.. Dinan 20-25 BMW (G20/G22/G23/G42) B58D Charge Pipe System. Improved throttle and boost response potential. Dinan B58D - GEN 2 - B58TU Charge Pipes. B58 Gen 2 / B58D / B58TU Charge Pipes. Better support for modified vehicles. Improved volumetric efficiency. Greater confidence under boost. Clean underhood presentation. CHARGE PIPE G2xG4xA9x B58D. More airflow than stock. Upgrade while you build. Charge Pipes

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