BMW F20 F30 LCI B47 Diesel Coolant Water Pump Pipe Hose EGR Cooler 8514066

BMW F20 F30 LCI B47 Diesel Coolant Water Pump Pipe Hose EGR Cooler is an original cooling system component designed for BMW F-series diesel units with the B47 engine. It ensures a stable flow of coolant between the water pump and the EGR module, which supports safe diesel engine operating temperatures and reduces the risk of overheating. This is a practical solution for users who want to maintain the factory characteristics of the cooling system.

Specifications and technical data

• SKU: 8514066
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8514066
• Substitutable numbers: 8514066, 11538514066
• Fuel type: Diesel
• Category: Coolant Hoses

Function in the diesel engine cooling system

The presented pipe belongs to the Cooling system pipes and hoses category and is responsible for transporting coolant in the area of the water pump and the EGR exhaust gas recirculation system. In B47 diesel engines, stable cooling is particularly important due to high thermal loads, which is why proper coolant flow in this section is significant for:

• maintaining the appropriate temperature of the cylinder head and engine block,
• proper operation of the EGR valve and cooler,
• reducing the risk of local overheating and decreased engine durability,
• maintaining stable exhaust emission parameters.

Benefits of using an original BMW pipe

Using an original pipe in a BMW cooling system with a B47 engine allows for maintaining factory fluid routing and precise fitment to the water pump and EGR module connectors. Thanks to this:

• connections are leak-proof, which reduces the risk of coolant leaks,
• the hose geometry is matched to the engine bay, which facilitates installation and service,
• the cooling system maintains the parameters specified by the manufacturer,
• the risk of incorrect pipe positioning and abrasion is reduced.

For diesel engine users, it is particularly important that a functional coolant pipe helps maintain a stable operating temperature even during long-distance highway driving or high loads.

Component condition and service application

The offered pipe comes from a group of used parts, which makes it a reasonable choice for maintenance repairs when the priority is to maintain the original design at optimal costs. This type of component is particularly useful when:

• the existing hose shows signs of wear, cracking, or swelling,
• leaks have appeared in the cooling system near the water pump or EGR,
• it is necessary to replace several pipes during a single cooling system inspection.

The selection of the pipe for a specific version of the BMW F20 or F30 LCI with a B47 engine should always be verified based on vehicle data and part numbers in the technical specification to ensure full installation compatibility.

Technical support and knowledge about the cooling system

When diagnosing engine operating temperature problems and planning the replacement of pipes, radiators, or the water pump, it is worth expanding your knowledge about typical symptoms and causes of failures. A detailed discussion of issues related to overheating, construction, and servicing of cooling systems can be found in the article Engine cooling system – overheating, repair, and used radiators, which allows for a better understanding of the impact of functional pipes and radiators on engine longevity.

Related BMW cooling system components

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other components from the same group, such as additional pipes, return hoses, or sections connecting to the radiator, check the available parts in the BMW cooling system pipes and hoses category.