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
Fits 525i, 528i, 530i, 540i1999-03, 525i & 530i. 525i, 528i, 530i. Air Injection System Air Pump - Repair or ReplaceA 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.
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Installed price includes part and dealer installation cost, local taxes not included.