Fuel Injection Pipe BMW E87 E90 120i 320i N46 Petrol Hose 7529758

BMW E87 E90 120I 320I N46 Fuel Injector Hose Petrol Hose is an original part of the gasoline supply system, designed for specific BMW engine versions with the N46 unit. Thanks to its factory fit to the injection system, it ensures stable fuel delivery and proper cooperation with the engine's accessories. This is a practical solution for drivers who want to restore the correct operation of the fuel system without experimenting with aftermarket parts.

Specifications and technical data

• SKU: 7529758
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7529758
• Substitutable numbers: 7529758
• Fuel type: Petrol
• Category: Hoses, Lines & Pipes

Purpose and Function in the Fuel System

The presented hose belongs to the category of Hoses, Tubes, and Pipes and is a component of the gasoline supply system in N46 engines used in BMW 1 Series E87 and 3 Series E90 models in the 120i and 320i versions. It is responsible for safely delivering fuel to the injector rail, which directly impacts:

• stable injection system pressure,
• correct gasoline dosing by the injectors,
• smooth engine operation across the full range of loads.

Dedicated application in specific BMW models reduces the risk of leaks and installation problems that often occur with universal aftermarket parts.

Construction and Fit for BMW with N46 Engine

As an original BMW part, the fuel injector hose has been designed considering the engine bay geometry and the fuel line routing in E87 and E90 models. The appropriately selected length, diameter, and shape of the hose facilitate its placement in the factory guides, which translates to:

• secure connection to the fuel system ports,
• reduced mechanical stress during engine operation,
• limited risk of chafing and micro-cracks during prolonged use.

Adaptation for use with gasoline means the use of materials resistant to typical engine bay conditions, including temperature changes and contact with fuel and vapors.

Benefits of Using an Original BMW Hose

Using an original fuel injector hose to replace a worn-out part restores the proper sealing of the supply system, which is crucial for both safety and driving economy. Replacing a worn hose with an OEM part helps to:

• minimize the risk of gasoline leaks in the engine bay,
• maintain stable engine operating parameters,
• reduce power loss resulting from fuel supply issues.

This solution is particularly beneficial for users who expect factory fit and predictable vehicle behavior after repair, without the need for additional system modifications.

Condition, Verification, and Service Application

This part comes from the group of used original parts, allowing for a reasonable repair cost while maintaining manufacturer specifications. This type of hose is often chosen for:

• resolving fuel system leaks,
• servicing N46 units with signs of gasoline odor around the engine,
• preventive replacement of hoses during major service work.

For users interested in a wider selection of parts from this group, other BMW hoses, tubes, and pipes are also available, facilitating comprehensive servicing of the fuel system and other vehicle installations.

Safety and Quality of Used Original Parts

Choosing a used original fuel injector hose is a compromise between cost and maintaining the vehicle manufacturer's standards. For fuel system components, this is particularly important due to operational safety and sealing requirements. If you want to better understand why used OEM parts are often recommended for repairs, it's worth reading the article OEM Quality and Safety Guarantee – Why Used Original Car Parts Are the Best Choice for Your Car?.