- Secondary Air Pump
- Secondary air pump for the emission control system
- Feeds fresh air into the exhaust during cold start to speed up afterburning
- RIDEX "903S0011" - Not available
BMW - 3 (E46, WB), Z4, X3, 5 (E39, WB)
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RIDEX 903S0011 - Secondary Air Pump BMW - 3 (E46, WB), Z4, X3, 5 (E39, WB)
- BMW
- 4
- 2.0 420 d
- Electrics
- Light Switches, Controls
- Controls
