BMW Exhaust Manifold Gasket - Genuine BMW 11657845076

Product Information

The exhaust manifold gasket is a component that forms a seal between the engine’s exhaust manifold and the cylinder head. The exhaust manifold is responsible for collecting exhaust gases from the engine’s cylinders and directing them into the exhaust system. The gasket’s primary function is to prevent exhaust gas leaks and ensure that exhaust gases flow smoothly into the exhaust manifold and through the exhaust system. It ensures that all exhaust gases are directed into the exhaust system rather than escaping into the engine compartment, which could lead to dangerous fumes entering the vehicle's cabin and a foul odor.

• Exhaust Leaks: A common sign of a faulty gasket is a hissing or tapping sound, especially during acceleration or when the engine is cold
• Reduced Backpressure: exhaust leaks affect the backpressure needed for efficient engine operation, leading to poor performance
• Odor: A leaking gasket may cause exhaust fumes to escape into the engine bay or even the cabin. This can lead to a noticeable, strong smell of exhaust gases (such as unburnt fuel or sulfur) inside or near the vehicle
• Overheating: A leaking gasket can allow hot exhaust gases to escape into the engine bay, potentially causing nearby components (like hoses, wires, or plastic parts) to overheat, melt, or become damaged

About Genuine BMW

The original parts used by BMW to build your car are available as replacement parts under the “Genuine BMW” brand. When ordering a Genuine BMW part you are guaranteed to get the same part that you would pick up from your local dealerships part department. Genuine BMW parts have been built to BMW’s stringent standards and are the same quality of the original parts used to build your Ultimate Driving Machine.

You may not realize this, but the parts that make up your BMW are not necessarily manufactured by BMW. No cause for concern, as BMW designs the part, hires a manufacturer, and ensures its quality to you. In fact, many of these manufacturers have been making parts for BMW for decades. In our industry these manufacturers are called OEM (Original Equipment Manufacturers), and these are often brands you recognize, including Lemforder, ZF, Sachs, Bosch, Valeo, Zimmermann, Siemens VDO, Corteco, and more. Don’t be surprised to open that Genuine BMW parts box and find an OEM branded part inside, simply with the addition of a BMW logo.

Be sure to keep an eye out for OE tags on our product pages to quickly identify parts coming direct from OE manufacturers. That extra bit of insight could save you some serious money while shopping! Refer to our OE Academy for further information regarding the OE/OEM tags throughout the site.