Secondary Air Pump / Emissions Pump - E46 323i 325i 328i 330i

High Quality Replacement to BMW # 11727553056

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Price:
$189.99

This part is listed by BMW as BMW part number 11727553056 (11-72-7-553-056) and is described as Secondary Air Pump for E46 323i 325i 328i 330i based models. It is located on the passenger side of the engine compartment, towards the base of the windshield. This pump is made by an Original Equipment Manufacturer (OEM) to BMW, which is either Kolbenschmidt or Pierburg -- both brands we prefer on our own BMWs for quality and longevity. 

This pump, sometimes called an auxiliary air pump, cycles air into the exhaust during cold starts for emissions purposes. If the pump fails, it will set an engine emissions fault code, triggering a check engine light. This fault will prevent you from passing many/most state emissions and safety inspections. Replacing the failed air pump will resolve the issue and allow the fault to be cleared. 

Exact list of fitments for this Secondary Air Pump:
E46 323i, 323Ci - 1999-2000 
E46 328i, 328Ci - 1999-2000
E46 325i sedan & 325ci coupe, **2001-03/2003 production, M54 non-SULEV engine only
E46 325xi sedan and 325Ci convertible - 2001-2005 (incl 2001, 2002, 2003, 2004, 2005)
E46 330i & 330ci, 2001-03/2003 production date
E46 330xi - 2001-2005 (includes 2001, 2002, 2003, 2004, 2005)

For questions, full BMW fitment information or for assistance from one of our BMW experts, we recommend calling us at 877-639-9648.

BMW Fitments:

3 Series
E46 (99-05) > 323Ci
E46 (99-05) > 323i
E46 (99-05) > 325Ci
E46 (99-05) > 325i
E46 (99-05) > 325xi
E46 (99-05) > 328Ci
E46 (99-05) > 328i
E46 (99-05) > 330Ci
E46 (99-05) > 330i
E46 (99-05) > 330xi
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