BMW Engine Valve Cover - Mahle 11127570292

Product Information

BMW Valve Cover and Components diagram for 435i, X5, 535i GT xDrive, 135i, M235i, & more

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An engine valve cover, or rocker cover, is a protective component that sits on top of an engine’s cylinder head, covering the valves and valve train components. It helps prevent oil leaks and protects the internal parts from dirt, debris, and other contaminants. In some newer applications, valve covers will also sometimes house the PCV Valve or part of the PCV system to allow engine oil crankcase pressure to be relieved properly.

• Age and Wear: Valve Cover Gaskets harden and crack over time, causing leaks or smells terminating from the engine
• Improper Installation: Uneven torque or poor gasket placement
• Material Fatigue: High engine temperatures can cause plastic or metal covers to warp or crack
• Blocked PCV Valve: Pressure buildup in the crankcase can damage the cover

About Mahle

Mahle began in 1920 when pistons made of heavy gray cast iron were being used in internal combustion engines for automobiles and there was a need for a new design. The Mahle brothers countered this trend by producing light-alloy pistons at their small, newly established company however the technology was still finicky and problems come up frequently. They soon determined that they needed to come up with a solution to keep dirt and dust out of the engine so they eventually developed air and oil filters as well. Their perseverance paid off and the light-alloy pistons began to take over the market. Today, half of all automobiles produced worldwide contain MAHLE components. MAHLE offers an extensive range of parts for everyone including pistons, cylinder liners, piston ring sets, bearings, assemblies, valves, valve train components, and air, oil, fuel, and cabin air filters. Their catalog and online database of aftermarket engine components is an indispensable reference.

MAHLE Aftermarket is the world’s leading manufacturer of more than 100,000 OE and aftermarket parts, including MAHLE gaskets, engine bearings, turbochargers, thermostats, pistons and piston rings, valves, engine air and fluid filters, heavy-duty engine components, and rotating electric components such as starters, electric motors, and alternators.