4.4 LITER 2020-23 W/O M5. 4.4 LITER W/M5. 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. Engine Vacuum Pump. Vacuum Pump.
Secondary Air Injection PumpVacuum Pump
Fits 530i, 540i, 750i, 750i xDrive, Alpina B7, Alpina XB7, M5, M550i xDrive
4.4 LITER. 4.4 LITER, W/M5. 4.4 LITER, W/O M5, 2017-19. 4.4 LITER, W/O M5, 2020-23. 750i, 750ix. M5. M550i xDrive.
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.