BMW F10 LCI X3 F25 Gearbox Transmission Oil Cooler Pipe Connector B47 8573149

BMW F10 LCI X3 F25 Gearbox Transmission Oil Cooler Pipe Connector is a precision component of the lubrication system in BMW diesel vehicles, responsible for the secure routing of transmission oil. As part of the Oil coolers and lines group, it supports stable transmission operating temperatures, which translates into durability and predictable performance. Using an OEM component allows for a technically correct repair without the need for aftermarket alternatives with uncertain specifications.

Specifications and technical data

• SKU: 8573149
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8573149
• Substitutable numbers: 8573149, 11538573149
• Fuel type: Diesel
• Part type: Oil Cooler Line
• Category: Oil Coolers & Lines

Purpose and function of the oil pipe connector

The presented oil pipe connector is a component of the transmission lubrication system in BMW F10 LCI and BMW X3 F25 diesel models. Its task is to provide a tight and stable connection between the oil line and other system components, ensuring that oil flow is maintained within the required pressure and temperature range. A properly selected connector reduces the risk of leaks, pressure drops, and local overheating, which can lead to accelerated transmission wear.

Benefits of using an original BMW component

Using an original connector in the Oil coolers and lines system ensures proper geometric fitment to the transmission and oil lines in specific BMW models. This means:

• maintaining factory-standard tightness of oil connections,
• proper oil routing within the transmission,
• compatibility with the oil cooling system designed for the B47 engine,
• reduced risk of failure resulting from incorrect installation or part mismatch. As a result, the connector provides an effective service solution for repairs related to the transmission lubrication and cooling system, especially in vehicles used intensively or with higher mileage.

Technical characteristics and application in diesel engines

The element has been designed for diesel units, where transmission oil operates under increased thermal and mechanical loads. In such conditions, it is crucial to maintain a stable oil flow between the transmission and the cooling system. The oil pipe connector supports:

• maintaining the appropriate operating temperature of the transmission oil,
• reducing the risk of lubrication quality degradation under heavy loads,
• maintaining predictable operation of the automatic or automated transmission. A well-chosen element of this type is particularly important in cars used on long routes, in highway cycles, or with frequent towing, where the transmission lubrication system operates under demanding conditions.

Part condition and installation aspects

The offered connector is a used part, which allows for an economical repair while maintaining the manufacturer's original specifications. Before installation, it is recommended to perform a standard inspection of the sockets, seals, and oil lines to ensure the entire system operates evenly and without leaks. In practice, installation involves correctly seating the connector in the designated location and applying the appropriate tightening torques in accordance with BMW service documentation.

Technical support and additional information

To better understand the impact of the cooling and lubrication system on the durability of the powertrain and transmission, it is worth checking out the guide on engine overheating and cooling: Engine cooling system – overheating, repair, and used radiators. The article discusses practical aspects of operation and service that help reduce the risk of costly failures. If you are planning a comprehensive repair or upgrade of the transmission lubrication and cooling area in your BMW and need other elements from the same group, such as oil lines, oil coolers, or oil connectors, check out the available parts in the BMW Oil coolers and lines category.