KYOSTAR Titanium Charge Pipe Kit for BMW Gen1 B58 M140i M240i M340i M440i 540i 740i X3 X4 M40i Upgrade your BMW equipped with the Gen1 B58 3.0L turbocharged inline-6 engine with the KYOSTAR Titanium Intercooler Charge Pipe Kit. Designed for a wide range of B58-powered BMW 1 Series, 2 Series, 3 Series, 4 Series, 5 Series, 7 Series, X3, and X4 applications, this upgraded charge pipe kit provides a performance-focused replacement for the factory charge-air piping. Constructed