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Upgraded 11727571589 Secondary Air Injection Pump Smog Pump fit For:-BMW 325i 2003-2005, 525i 2004-2005, 325Ci 325xi 330Ci 330i 330xi 530i 545i 645Ci M5 M6 X3 X5, 2003-2010 OE# 11727506210

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$99.99

$ 41 .99 $41.99

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About this item

  • FITMENT-1: Please Use "Amazon Confirmed Fit" Above to Verify Fitment Before Purchasing. Compatible with For:-BMW 2003-2005 325i 2.5L L6/ 2004-2005 525i 2.5L L6/ 2003-2005 325Xi 2.5L L6/ 2003-2006 330Ci 3.0L L6/ 2003-2005 330i 3.0L L6/ 2003-2005 330Xi 3.0L L6/ 2004-2005 530i 3.0L L6
  • FITMENT-2: For:-BMW 2004-2005 545i 4.4L V8/ 2004-2005 645Ci 4.4L V8/ 2006-2010 M5 5.0L V10/ 2006-2010 M6 5.0L V10/ 2004-2006 X3 3.0L L6/ 2004-2006 X5 3.0L L6/ 2003-2006 325Ci 2.5L L6
  • OE NUMBER: Replacement #11727571589, 11727506210, 11727508267, 11727519310, 11727528440, 11727571592, 11727572581, 11727572582, 728124190
  • PROFESSIONAL AFTER-SALES: Please C-O-N-T-A-C-T us if you encounter any problem, we have a dedicated after-sales team and engineers, and have 30 years of experience in the Auto Parts Industry, so please rest assured to b-uy
  • BUY WITH CONFIDENCE: 2 Year Unlimited-Mileage Quality Guarantee. We extremely value your satisfaction and strive to provide you good shopping experience
  • ENHANCED ENGINE PERFORMANCE: Improve engine efficiency and optimize combustion with YZHIDIANF Secondary Air
  • IMPROVED FUEL ECONOMY: By ensuring efficient fuel combustion, YZHIDIANF Secondary Air Pump can contribute to better mileage. Help reduce harmful exhaust emissions by effectively injecting fresh air into the exhaust system
  • LONGEVITY AND DURABILITY: Built to withstand the demanding conditions of engine operation, YZHIDIANF Secondary Air Pump is designed for long-lasting performance and reliability
  • QUIET OPERATION: YZHIDIANF Secondary Air Pump operates smoothly and quietly, minimizing any noise disruptions during vehicle operation
  • ENHANCED PERFORMANCE IN COLD WEATHER: YZHIDIANF Secondary Air Pump helps with cold starts, ensuring quick warm-up and optimal performance even in chilly conditions



Product Description

Secondary Air Injection Pump
Secondary Air Injection Pump
Secondary Air Injection Pump
Secondary Air Injection Pump
Secondary Air Injection Pump
Secondary Air Injection Pump
  • The primary purpose of a secondary air pump in a vehicle is to help reduce emissions by supplying additional oxygen to the exhaust system during cold start conditions.

  • Some common signs of a failing secondary air pump include an illuminated check engine light, rough idle, decreased engine performance, and increased emissions during emissions testing.

  • Yes, a faulty secondary air pump can affect the performance of a vehicle. It can cause rough idling, decreased power, and poor fuel efficiency.

  • Some potential causes of secondary air pump failure include electrical issues, worn-out motor or impeller, clogged air filter, and water or debris entering the pump.

  • A secondary air pump draws in fresh air and forces it into the exhaust system, where it mixes with the exhaust gases. This allows for more complete combustion of unburned fuel, reducing emissions.


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