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.
Keeping the oil inside your engine is extremely important to performance. Between oil change intervals, your oil can dip to dangerous levels if there is a leak you may not be aware of. The valve cover is an extremely common place for this to happen. Years of exposure to extreme temperature change degrades the gaskets and causes failure. Replace your valve cover gasket to keep your engine oil in your BMW. Replaces BMW p/n 11129894803 & 11129452183
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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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