Manifold Heat Protection BMW E90 E91 LCI F10 F11 F30 Exhaust Shield 8511809

Visual condition of the part

The product shows signs of use visible in the photos.

Manifold Heat Protection BMW E90 E91 LCI F10 F11 F30 Exhaust Shield is an original component from the Heat shields, connectors and sleeves group, designed specifically for BMW E90/E91 LCI and F10/F30 power units. This used, factory-made shield ensures stable operating conditions for the manifold, limiting the impact of high temperatures on adjacent components and improving the overall performance of the drivetrain.

Specifications and technical data

• SKU: 8511809
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8511809
• Substitutable numbers: 11628511809, 8511809, 11627801645, 7801645, 11627801644, 7801644, BG
• Category: Heat Shields, Wraps & Sleeves

Purpose and function of the heat shield

The presented manifold heat shield was developed by BMW as a protective element for the hot zone of the engine. Its purpose is to:

• limit heat radiation from the manifold towards cables, sensors, and plastic components,
• stabilize the temperature in the engine compartment in the manifold area,
• reduce the risk of overheating adjacent components,
• improve operational comfort by reducing unwanted heating of body elements.

Thanks to its fitment to the specific geometry of the manifold in BMW 3 and 5 series models, the shield ensures predictable heat flow management and proper adherence to mounting points.

Compatibility with BMW models

The shield was constructed for BMW E90/E91 LCI and F10/F30 platforms, which translates into a proper fit with the factory manifold and adjacent elements. Using an original BMW solution allows for maintaining:

• compliance with factory mounting points,
• proper thermal line routing in the engine compartment,
• compatibility with factory additional shields and mounts.

Selecting a shield dedicated to specific generations of the 3 and 5 series minimizes the risk of installation problems and improper heat dissipation.

Technical characteristics and user benefits

As an element from the Heat shields, connectors and sleeves category, this manifold heat shield is designed from materials resistant to long-term exposure to high temperatures and heating/cooling cycles. The design provides:

• profiling matched to the shape of the manifold and adjacent elements,
• arrangement of mounting holes consistent with factory brackets,
• a working surface that directs heat radiation away from sensitive components.

Choosing an original BMW shield allows for maintaining the consistency of the entire thermal system in the engine compartment, which is important for both the durability of components and the stability of the power unit's operating parameters.

Component condition and service application

The offered shield is a used part, which in BMW service practice is a frequently chosen solution for repairs in the hot zone of the engine, where structural compliance and proper fit are essential. This type of part is particularly useful in situations where:

• the existing shield has undergone thermal deformation or mechanical damage,
• replacement is necessary during work on the manifold or turbocharger,
• modernization or restoration of the factory heat shield configuration is being carried out.

Thanks to the preservation of the original mounting geometry, the shield can be integrated into the existing system without the need to modify other components.

Support with part selection and additional information

When selecting a heat shield for a specific BMW engine version, it is worth verifying factory markings and interchangeable numbers in the product's technical specification to ensure full compatibility with your vehicle. In case of doubt, it is helpful to compare the shape and mounting points with the shield currently installed in the car.

If you are planning a comprehensive repair or modernization of the engine area in your BMW and need other elements from the same group, such as shields, connectors, or mounting sleeves, check the available parts in the BMW heat shields, connectors and sleeves category.

If you are considering whether new or used parts are a better choice in your case, the guide article Car parts – new or used? We compare costs, quality, and durability, which discusses the differences in costs, durability, and availability of components, may be helpful.