Fuel Tank Ventilation Valve BMW F80 M3 F82 F83 M4 Vent Pipe Line 7848454

The BMW F80 M3 F82 F83 M4 Fuel Line Hose Pipe is an original fuel supply system component designed for sporty BMW M series models. The precisely selected geometry of the line supports stable injector operation, which is crucial under the high loads characteristic of M3 and M4 engines.

Specifications and technical data

• SKU: 7848454
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7848454
• Substitutable numbers: 13907848454, 7848454, EM
• Category: Fuel Injectors

Purpose and Role in the Fuel System

The fuel line in BMW F80 M3 and F82/F83 M4 models is responsible for the safe and leak-free delivery of fuel between fuel supply system components. In high-performance engines, fuel flow stability directly impacts the smoothness of operation, performance, and injector durability.

This component, categorized under injector nozzles, works with a precision injection system, helping to maintain proper pressure and reduce the risk of performance drops during dynamic track or highway driving.

Benefits of Using an Original BMW Fuel Line

Using an original BMW fuel line in the M3/M4 offers a range of practical benefits for daily use and sporty driving:

• Factory Fitment – The correct length, diameter, and shape of the line facilitate installation at original mounting points.
• Injector System Compatibility – The line is designed to work with factory BMW injector nozzles, promoting stable engine operation.
• Reduced Leakage Risk – Properly formed ends and connection sections help maintain seal integrity under demanding thermal conditions.
• Consistency with Factory Configuration – Maintaining the original line routing simplifies fuel system servicing and diagnostics.

Component Condition and Service Application

The fuel line is offered as a used original BMW part, allowing for economical repair or replacement of a damaged fuel supply section without resorting to aftermarket alternatives with uncertain specifications. This is a practical solution for:

• repairs after leaks in the injector or fuel rail area,
• restoring factory configuration after fuel system modifications,
• preventative maintenance on vehicles used intensively on the track.

Injector and Fuel Line System Diagnostics

A functional fuel line working in conjunction with injector nozzles is key to smooth engine operation. In case of fuel supply issues, pay attention to symptoms typical of injector and line malfunctions, such as rough idling, power loss, or increased fuel consumption. Detailed information on symptoms and the consequences of neglect can be found in the article: Diesel Injector Failures – How to Recognize Them and What Neglecting Them Entails.

Other BMW Injector Nozzles

If you are looking for other BMW injector nozzles to expand or comprehensively repair the fuel system in your car, check out our dedicated category: BMW Injector Nozzles. This will allow you to easily select compatible fuel supply components within the same brand and category.