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BMW Z4 Air Inject Check Valves

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7.22748.18.0 Secondary Air Injection Control Valve - Replaces OE Number 11-72-7-837-456
Pierburg®
7.22748.18.0 Secondary Air Injection Control Valve - Replaces OE Number 11-72-7-837-456
Part Number: PIE722748180
Vehicle Info Required to Guarantee Fit
$97.99
Product Details
Warranty : 2-year Pierburg limited warrantyQuantity Sold : Sold individuallyProp 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.

Series : Pierburg OE ReplacementInterchange Part Number : 11727830680, 11727837456, 7830680, 7837456Replaces OE Number : 11727830680, 11727837456, 7830680, 7837456Product Fit : Direct Fit
911-975 OE Solutions Series Air Inject Check Valve - Direct Fit, Sold individually
Dorman®
911-975 OE Solutions Series Air Inject Check Valve - Direct Fit, Sold individually
Part Number: RB911975
Vehicle Info Required to Guarantee Fit
$95.49
Product Details
Location : FrontNotes : 50 PSI Maximum Pressure Rating; -40 Deg. C to 125 Deg. C Working Temperature Range; Reed Valve TypeWarranty : Lifetime Dorman limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, 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.

Series : OE Solutions SeriesOutlet Size : 0.83 in.Interchange Part Number : RB38350002, 11727508049, 11727553067Replaces OE Number : 11727508049, 11727553067Material : Cast AluminumProduct Fit : Direct FitInlet Size : 0.83 in.
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Helpful Automotive Resources

Symptoms of a Bad Air Injection Check Valve
Symptoms of a Bad Air Injection Check ValveNot all vehicles have an AIR system⁠—but those that do can experience problems with an AIR check valve (also known as an air inject check valve or an air pump check valve).
Emission Control Systems
Emission Control SystemsThe purpose of the positive crankcase ventilation (PCV) system, is to take the vapors produced in the crankcase during the normal combustion process, and redirecting them into the air/fuel intake system to be burned during combustion. These vapors dilute the air/fuel mixture so they have to be carefully controlled and