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2002 BMW M5
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2002 BMW M5

2002 BMW M5 Secondary Air Injection Pumps

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Secondary Air Injection Pump - Replaces OE Number 11 72 1 433 958
Vemo®
Secondary Air Injection Pump - Replaces OE Number 11 72 1 433 958
Part Number: Z8YV20630021
Guaranteed to Fit
$267.99
Vehicle Fitment
  • 2002 BMW M5 Base 8 Cyl 5.0L Aftermarket Grade
Product Details
Prop 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Promotions : European Vehicle PartsQuantity Sold : Sold individuallyWarranty : 24-month or 24,000-mile Vemo limited warrantyInterchange Part Number : 1433958, 11721433958Replaces OE Number : 1433958, 11721433958
Secondary Air Injection Pump - Replaces OE Number 11-72-1-433-958
Pierburg®
Secondary Air Injection Pump - Replaces OE Number 11-72-1-433-958
Part Number: PIE722166020
Guaranteed to Fit
$251.49
Vehicle Fitment
  • 2002 BMW M5 Base 8 Cyl 5.0L Sedan, mfrbodycodename : E39, With OE No. 11721433958
Product Details
Prop 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Quantity Sold : Sold individuallyWarranty : 24-month or 24,000-mile limited warrantyInterchange Part Number : 11721433958, 1433958, 722166020Replaces OE Number : 11721433958, 1433958, 722166020Product Fit : Direct Fit
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Helpful Automotive Resources

P0491 Code: Secondary Air Injection System Insufficient Flow Bank 1
P0491 Code: Secondary Air Injection System Insufficient Flow Bank 1This code is logged once the PCM determines that the secondary air flow in bank 1 is too low. Bank 1 refers to the side of the engine where cylinder #1 is located.
P2432 Code: Secondary Air Injection System Airflow / Pressure Sensor Circuit Low Bank 1
P2432 Code: Secondary Air Injection System Airflow / Pressure Sensor Circuit Low Bank 1Bank 1 refers to the bank of cylinders that contain cylinder #1. 
P2443 Code: Secondary Air Injection System Switching Valve Stuck Closed Bank 2
P2443 Code: Secondary Air Injection System Switching Valve Stuck Closed Bank 2Note: The definition of code P2443 might be different depending on the vehicle manufacturer. Consult the appropriate repair manual or repair database for the exact code definition. What are the Common Causes of the P2443 Code? Faulty SAI system control valve Clogged or disconnected vacuum hose Damaged secondary air pump Wiring issues PCM failure or software
P2445 Code: Secondary Air Injection System Pump Stuck Off Bank 1
P2445 Code: Secondary Air Injection System Pump Stuck Off Bank 1The output of the SAI pump is then sent to the catalytic converter to oxidize unburned hydrocarbons (HCs) and carbon monoxide (CO). It breaks these elements down to water vapor and carbon dioxide.
P0414 Code: Secondary Air Injection System Switching Valve “A” Circuit Shorted
P0414 Code: Secondary Air Injection System Switching Valve “A” Circuit ShortedDuring cold engine start-up, the air is routed to the exhaust manifolds via the check valves, preventing exhaust emissions from infiltrating the switching solenoids and air pump. Once the engine achieves a closed loop, the air is then directed to the catalytic converter.
P2259 Code: Secondary Air Injection System Control “B” Circuit Low
P2259 Code: Secondary Air Injection System Control “B” Circuit LowOnce the engine is warmed up and achieves a closed loop, the air pump will direct airflow to the catalytic converter.