BMW F20 F21 F30 F31 LCI M140i 340i Heat Resistant Plate 7643180

BMW F20 F21 F30 F31 LCI M140i 340i Heat Resistant Plate is an original component from the Heat shields, connectors and sleeves group, designed to protect the turbocharging system in modern BMW units. Designed by the manufacturer, the shield helps reduce heat transfer from the turbine to adjacent components, supporting stable engine operation and proper thermal management of the engine bay.

Specifications and technical data

• SKU: 7643180
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7643180
• Substitutable numbers: 7643180, 11797643180
• Category: Heat Shields, Wraps & Sleeves

Purpose and function of the turbine heat shield

The turbine heat shield in BMW F20 and F30 models with M140i and 340i units is responsible for limiting thermal radiation from the hot side of the exhaust system. Thanks to this:

• the thermal load on plastic and rubber components near the turbine is reduced,
• it is easier to maintain a stable temperature in the engine bay,
• the risk of overheating adjacent hoses and connectors is limited,
• service comfort is improved due to better organization of the area around the turbine.

Using the factory shield is particularly important in cars driven dynamically, where the turbocharging system operates at elevated temperatures for extended periods.

Construction and fitment for BMW F20 / F30

The element was developed by BMW as part of the shielding system in the engine bay, maintaining factory mounting points and geometry matched to the turbine used in M140i and 340i versions. Thanks to this:

• installation is predictable, without the need for modifications,
• the shield works in harmony with other exhaust and thermal system components,
• compatibility with factory connectors and sleeves in this area is maintained.

The original design ensures proper heat management and airflow around the turbine, which supports stable operation of the turbocharging system in both road and track conditions.

Product condition and service application

The offered shield comes from the group of used parts, which makes it an attractive solution for accident repairs, replacing damaged thermal components, or restoring the completeness of the engine bay after modifications. This type of component is particularly useful when:

• the existing shield has deformed due to overheating or a collision,
• the vehicle was missing the factory element after previous repairs,
• you want to restore the original thermal configuration around the turbine.

A properly selected shield helps limit unwanted vibrations and noise in the turbine area, and also supports the long-term operation of adjacent components.

Benefits of using an original BMW shield

Using a factory heat shield in BMW F20 and F30 models with M140i and 340i engines brings a number of practical benefits:

• Factory fitment – maintaining the original geometry and mounting points facilitates installation and subsequent service operations.
• Consistency with the thermal system – the shield works with other elements from the Heat shields, connectors and sleeves group, creating a well-thought-out thermal protection system.
• Support for equipment durability – limiting thermal radiation from the turbine reduces the load on hoses, connectors, and electronic components nearby.

For users who pay attention to technical correctness and want to keep the car in a configuration close to factory specifications, choosing an original shield is a solution consistent with the manufacturer's assumptions.

Selection by numbers and additional materials

When selecting elements from the Heat shields, connectors and sleeves group in BMW cars, verification by manufacturer numbers and interchangeable numbers is particularly helpful. To minimize the risk of errors when shopping online, it is worth using practical guides on identifying parts by factory markings – you can find them in the article Buying parts online without risk – 5 proven ways to verify component compatibility by OEM numbers and paint codes, which discusses, among other things, the selection of components for BMW.

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 additional shields, connectors, or exhaust sleeves, check the available parts in the BMW heat shields, connectors and sleeves category.