BMW F20 F21 F30 F31 LCI Water Coolant Flange Connector Motor 8571141

BMW F20 F21 F30 F31 LCI Water Coolant Flange Connector is a component from the Cooling system hoses and pipes group, designed for operation in the coolant circuit of BMW F-series vehicles after the facelift (LCI). It is responsible for the stable routing of fluid within the cooling system, which has a direct impact on maintaining the correct engine operating temperature and the safety of the powertrain.

Specifications and technical data

• SKU: 8571141
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8571141
• Substitutable numbers: 11118571141, 8571141, 11114746680, 4746680EM
• Category: Coolant Hoses

Purpose and function in the cooling system

The presented water flange is part of the cooling system, where it is responsible for a tight and stable connection between individual components of the fluid circuit. In BMW F-series vehicles, the use of a dedicated water pipe allows for maintaining proper coolant flow, reducing the risk of local overheating, and ensuring even heat dissipation from the engine.

A properly selected water hose or pipe:

• maintains proper patency of the fluid flow channel,
• minimizes the risk of leaks at connections,
• supports the stable operation of the thermostat and radiator,
• allows for maintaining the factory characteristics of the cooling system operation.

Compatibility with BMW F-series LCI models

BMW F20 F21 F30 F31 LCI Water Coolant Flange Connector has been designed for use in popular BMW F-series models after the facelift, where precise matching of the pipe geometry to the factory routing in the engine bay is essential. Using an original BMW group solution allows for maintaining compatibility with the factory mounting system, brackets, and connection diameters, which facilitates installation and reduces the need for modifications.

Thanks to this, the element can be used both for standard replacement of a worn-out pipe and for repairs resulting from leaks, mechanical damage, or interference with the cooling system during other service work.

Characteristics of the element and advantages of use

As a part from the Cooling system hoses and pipes category, this water flange is adapted to work in an environment of high temperature and variable operating pressures. The design of the pipe is engineered to maintain appropriate rigidity while being resistant to vibrations and movements of the powertrain relative to the body.

Key benefits of using this element include:

• maintaining the factory routing of the pipe in the engine bay,
• reducing the risk of rubbing against other components and resulting abrasions,
• the ability to restore proper cooling system tightness after a failure,
• support for stable engine operating temperature in both urban and highway conditions.

The element comes from the BMW offer, which helps maintain compliance with factory standards of workmanship and fitment for a given vehicle model.

Condition, service application, and part selection

The offered water hose – pipe – flange is a used part, which makes it an attractive solution for repairs where reasonable cost is important while maintaining compliance with the original vehicle design. This type of component is particularly useful for:

• eliminating coolant leaks from around flanges and connections,
• repairs after mechanical damage in the engine bay,
• cooling system service after engine overheating.

Before installation, it is recommended to verify compatibility with the specific engine version and vehicle year, as well as to check the condition of cooperating clamps and connectors to ensure full tightness after the work is completed.

Cooling system service expansion and educational materials

When working with the fluid circuit, it is worth looking at the entire system as a whole – from pipes and radiators to flow control elements. To better understand the impact of efficient water pipes on the durability of the powertrain, an article describing typical overheating problems and the importance of a properly functioning cooling system may be helpful: Engine cooling system – overheating, repair, and used radiators.

If you are planning a comprehensive repair or upgrade of the cooling system area in your BMW and need other elements from the same group, such as additional pipes, hoses, or water flanges, check the available parts in the BMW cooling system hoses and pipes category.