Pump. Air. Secondary Injection. Smog.
An emissions component, that is part of the Secondary Air Injection system, which is responsible for Pumping clean Air into the vehicle's exhaust stream to promote a cleaner and more complete burn before the fumes exit the tailpipe.
Secondary Air Injection Pump
323 & 325i, Ci, iT, xi. 323 & 325i, Ci, iT, xi; w/AWD. 328 & 330i, Ci, xi. 328 & 330i, Ci, xi; w/AWD. FEDERAL EMISSION, 1999-2003. W/O 3.2L, 2000-03.
Air Injection System Air Pump - Repair or Replace
A failed air injection pump or secondary air pump 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.