1.Vacuum Pump Check Valve for BMW X1,X2,X3,X5,X7,3 Series,4 Series,5 Series,M2,M3,M4,M6,Z3,Z4,N20 Engine Brake booster one-way valve,OE:11667640279, 11667585189, 11667640279.
2.Direct replacement for BMW vacuum pump check valves (part #34-11-6-855-365).Made from heat-resistant POM plastic,ensuring durability under extreme temperatures (-40°F to 250°F) and high-pressure conditions.
3.Prevents vacuum leaks and brake booster failure by maintaining proper one-way airflow.Eliminates spongy brakes,warning lights (e.g., DSC/ABS errors),and engine stalling caused by faulty valves.
4.Compatible with BMW 3 Series (E90), 5 Series (E60/E61), X5 (E70), 7 Series (E65), and more.
5.No special tools needed!Perfect for home mechanics—save $200+ on dealership labor costs.