BMW 1 Series E81 E87 E87N LCI Plastic Filler Fuel Pipe Diesel

BMW 1 Series E81 E87 E87N LCI Plastic Filler Fuel Pipe Diesel is an original fuel system component designed for BMW models with diesel engines. Thanks to its precise fit to the vehicle's front body structure, it ensures stable fuel routing from the filler neck to the tank and safe vehicle operation. This is a practical solution for users looking to restore the proper functioning of the fuel system after damage or corrosion of the factory pipe.

Specifications and technical data

• SKU: 7203749
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 16117203749
• Substitutable numbers: 16117203749, 7203749, 16117198678 16116764495, 16117188068 16117176782, 7198678, 6764495, 7188068, 7176782
• Location on the vehicle: Front
• Fuel type: Diesel
• Category: Hoses, Lines & Pipes

Purpose and function in the fuel system

The fuel filler pipe in the BMW 1 Series E81/E87 is responsible for the tight and controlled delivery of diesel fuel to the tank. This component operates in the immediate vicinity of the vehicle's front body, which is why it must be properly shaped and resistant to external conditions. A correctly selected pipe minimizes the risk of leaks, refueling issues, and unpleasant fuel odors around the car.

In the event of damage, deformation, or corrosion of the factory pipe, installing an original used component allows you to maintain the factory fuel routing geometry and compatibility with body mounts and covers. This is particularly important in diesel-powered cars, where the fuel system operates under specific operational loads.

Compatibility and replacement numbers

The presented pipe belongs to the group of components labeled as Lines, hoses, and pipes, which confirms its role as an integral part of the fuel system. The part has a dedicated OEM number and a set of interchangeable numbers, which facilitates the selection of the correct component for a specific configuration of the BMW E81 or E87 with a diesel engine. This allows a mechanic or user to verify the part's compatibility with the specific body version and vehicle year.

If you are planning a more extensive modernization or repair of the fuel system, it is worth checking other elements from the same group by using our category Lines, hoses, and pipes to select a complete service solution.

Installation and operational characteristics

The placement of the pipe at the front of the vehicle requires maintaining appropriate rigidity and resistance to vibrations and temperature changes. The original pipe design has been engineered to work with factory brackets and covers, which facilitates installation and reduces the risk of improper positioning. In practice, this translates into:

• stable fuel routing during driving and refueling,
• reduced risk of chafing and mechanical damage,
• maintaining system tightness under typical operational loads.

The component is designed for use with diesel fuel, which is why its geometry and applied design solutions are adapted to the specifics of BMW diesel engines.

Part condition and benefits of choosing an original

The fuel tank filler pipe is offered as a used part, which allows for an economical repair while maintaining the original BMW specification. Compared to aftermarket replacements, the original pipe ensures a better fit to the body, correct positioning of the connectors, and compliance with factory mounting points. This reduces the time required for installation and decreases the risk of subsequent leaks.

Choosing an original filler pipe is particularly beneficial for cars that are driven intensively or used in varied climatic conditions, where the stability and tightness of the fuel system have a direct impact on comfort and safety.

Comprehensive approach to BMW service

When working on the fuel system and components located at the front of the vehicle, it is also worth paying attention to other sub-assemblies, such as the cooling system or auxiliary lines. In our guide, you will find practical tips on how to optimally care for your car in demanding thermal conditions – check out the article on the impact of summer heat on the cooling system and the economical use of used radiators and fans to better plan your BMW service.

For users who want to combine the replacement of the filler pipe with other service tasks, this approach allows for reduced vehicle downtime and optimized maintenance costs, while maintaining the technical consistency of the entire system.