Diverter Solenoid Valve Converter Black ABS Fit For BMW 1 3 5 6 7 X3 X5 X6 F07 F10 F20 F21 F30 E70 E88 E. OEM:59001107102 . Easy to Install: The installation is simple and does not require complicated operations. The blow off valve adapter helps improve the torque performance of blow off valves, contributing to extended turbo engine durability. The blow off valve adapter assists in achieving satisfying atmospheric blow-off valve acoustics while supporting turbo engines' enhanced performance capabilities.