The valve cover is responsible for sealing the internal workings of the engines' top end. Most vehicles require a replacement gasket at some point or another and newer models have plastic valve covers that get brittle and crack with age.
Plastic valve covers are known to warp and crack over time. After numerous heat cycles, plastic becomes brittle and more susceptible to failure. If your B46 / B48 engine has higher mileage and you've noticed vacuum leaks, oil leaks, or PCV failure, this replacement from Elring is a great choice to address the issues and keep your engine leak free!
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Valve covers can crack or warp over time, leading to vacuum and oil leaks. This can cause check engine lights, a rough idle, and can make a mess, often covering the attached engine accessories in oil. If your valve cover has cracked or warped, we recommend replacing it with this aftermarket valve cover assembly. This replacement valve cover comes with new gaskets, BMW p/n 11129797205 and 11127617411, and new mounting hardware to attach the valve cover to the cylinder head.
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