BMW E81 E87 E90 Exhaust Manifold Heat Resistant Plate 3412867

BMW E81 E87 E90 Exhaust Manifold Heat Resistant Plate is a component from the Exhaust manifolds group, designed for use in BMW vehicles. It ensures stable exhaust gas flow and effective thermal protection for adjacent components, which promotes safe and consistent engine operation. This is a solution for users looking for a proven, used component with factory mounting geometry.

Specifications and technical data

• SKU: 3412867
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 3412867
• Substitutable numbers: 18403412867, 3412867
• Category: Manifolds & Headers

Purpose and function in the exhaust system

The presented exhaust manifold with heat shield is designed as an element of the exhaust system in BMW E81, E87, and E90 series models. Its task is to collect exhaust gases from individual cylinders and direct them towards the subsequent parts of the system, while simultaneously reducing heat energy loss and protecting adjacent engine bay components.

The heat shield helps maintain the proper temperature distribution in the engine bay, which promotes stable operation of accessories, hoses, and electronic components. By maintaining the factory shape and mounting points, the part allows for precise fitting to the cylinder head and other exhaust system components.

Benefits of using an original BMW manifold

Using an original exhaust manifold with heat shield in the BMW E81, E87, and E90 series allows for maintaining the operating parameters specified by the vehicle manufacturer. Properly shaped exhaust channels promote even cylinder scavenging, and the fitted shield limits the heating of elements located near the manifold.

The main advantages of this solution include:

• maintaining the proper temperature profile in the engine bay,
• stable connection with the rest of the exhaust system,
• preservation of factory exhaust flow geometry,
• possibility of installation in place of a worn or damaged element without structural modifications.

For users looking for a used component with factory fitment, such a manifold with heat shield represents a practical and economical service solution.

Installation and operational characteristics

The exhaust manifold with heat shield for BMW E81, E87, and E90 is intended for installation in place of the factory element, using the mounting points provided by the manufacturer. This facilitates service work and allows for reducing the time required for replacement, while maintaining compatibility with other exhaust system components.

A properly selected manifold with heat shield:

• reduces the risk of overheating adjacent components,
• promotes the maintenance of exhaust system tightness,
• allows for maintaining the intended routing of hoses and wiring harnesses in the engine bay.

For workshops and individual users, this means the possibility of efficient component replacement while maintaining operating parameters close to factory solutions.

Part selection by numbers and BMW compatibility

The offered item belongs to the group of original BMW components, which facilitates its identification and selection based on the OEM part number and available interchangeable numbers. This allows for precise verification of compatibility with a specific engine version and vehicle model year, minimizing the risk of purchasing an incompatible part.

In practice, this means that before installation, it is possible to compare the markings with service documentation or the removed element, which serves as a convenient control tool for the mechanic and the vehicle user. In the case of exhaust systems, this is of particular importance, as differences in manifold geometry can affect the installation process and cooperation with subsequent system parts.

Exhaust system expansion and technical knowledge

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other elements from the same group, such as manifolds with a different channel configuration, additional heat shields, or components cooperating with the exhaust system, check the available parts in the BMW Exhaust manifolds category.

Those interested in a broader context of exhaust system operation and the selection of used manifolds for premium class cars can benefit from the advice contained in the article Performance exhaust system: used manifolds and sports catalytic converters on the road, where practical aspects of choosing and operating such components are discussed.