Vacuum Pump Check Valve – BMW N46 / N46N / N42 | OEM 11667542498Vacuum Pump Check Valve BMW N46 N46N N42 OEM 11667542498 Restore Brake Assist Vacuum Retention on Your BMW N46 or N42 Direct Replacement Check Valve. The vacuum pump check valve on BMW N46, N46N, and N42 engines maintains vacuum in the brake servo circuit after the engine stops. When it fails, vacuum bleeds back causing a soft brake pedal. This direct replacement valve restores correct vacuum retention. OEM Reference 11667542498 Vehicle Compatibility

Volkswagen and Skoda 2

5 TDI ventilation diaphragm

Direct replacement hose

5L gasoline engine

0 EcoBlue engine causes oil leaks and crankcase ventilation fault codes

including compatible BMW 1 Series

7 Series: F01

When they fail

Includes the replacement diaphragm AND all valve cover gaskets — a complete valve cover service in one purchase for all OM651 applications

reliable screen operation

This direct replacement diaphragm restores correct valve function and sealing

BMW 11127552281 is listed for PCV diaphragm repair on BMW N51