Diverter Valve. Secondary Air Injection Pump Check Valve.
Secondary Air Injection Pump Check Valve.
Secondary Air Injection Pump Check Valve
Fits 128i, 328i, 328i xDrive, 328xi, M3
128i. 3 Series; Coupe/Convertible/Sedan; w/o Turbo; N51N (SULEV).
Air Injection System Check Valve - Repair or Replace
A failed air injection solenoid or secondary air valve will often have no noticeable symptoms beyond a check engine light, but it does cause your to operate inefficiently and produce higher emissions. Our technicians have access to manufacturer-approved repair processes and genuine parts.