BMW F30 F31 F10 F11 F32 Injector Pipe Fuel Pressure Hose Diesel 8506546

BMW F30 F31 F10 F11 F32 Injector Pipe Fuel Pressure Hose is a precision fuel system component designed for BMW diesel engines. As part of the Injector Nozzles group, it is responsible for the stable delivery of fuel to the injector, which translates into smooth engine operation and correct injection characteristics. Using an OEM component is a sensible choice for technical repairs or optimizing service costs in modern BMW diesels.

Specifications and technical data

• SKU: 8506546-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8506546
• Substitutable numbers: 8506546, 13538506546
• Fuel type: Diesel
• Part type: Fuel Injector
• Category: Fuel Injectors

Purpose and function in the injection system

The fuel injector pipe in a Diesel engine is responsible for the precise delivery of diesel fuel from the rail or pump to a specific injector. In modern BMW units, the pressure stability and tightness of the pipe have a direct impact on:

• proper fuel spray formation by the injector,
• even cylinder operation under load,
• reduction of vibrations and noise characteristic of diesel engines,
• maintaining proper combustion and exhaust emission parameters. Selecting the correct pipe for a specific generation of the BMW F-series is crucial for maintaining the factory operating parameters of the Common Rail system.

Benefits of using an original BMW pipe

Using an injector pipe from the Injector Nozzles group dedicated to BMW allows for maintaining compliance with factory pipe routing geometry and the pressure requirements of the system. In practice, this means:

• secure fitment to the injector and fuel rail ports,
• minimized risk of leaks at the connections,
• stable system operation at high working pressures typical for BMW diesels,
• easier diagnostics – operating parameters correspond to factory specifications. Using an OEM element is particularly beneficial for repairs where both technical correctness and service cost control are important.

Condition, installation, and service application

The offered fuel injector pipe is a used component, which in practice means the possibility of an economical repair of the injection system while maintaining the original BMW specification. This type of pipe is most often used in situations of:

• detecting leaks or micro-cracks on an existing pipe,
• mechanical damage during injector removal,
• preventive replacement during a major overhaul of the fuel supply system. During installation, it is recommended to maintain the cleanliness of the fuel system and check the tightening torques in accordance with BMW service documentation to ensure long-term and stable operation of the pipe.

Technical support and injection system diagnostics

In case of problems with diesel engine operation – such as rough idling, power loss, or increased fuel consumption – it is worth performing a full diagnostic of the injection system, which also includes fuel supply pipes. To better understand the symptoms and consequences of injector damage and associated components, check out the article: Diesel injector faults – how to recognize them and the risks of neglecting them. If you are planning a comprehensive repair or upgrade of the injection system area in your BMW and need other elements from the same group, such as supply pipes, fuel system elements, or components associated with injectors, check the available parts in the BMW Injector Nozzles category.