Tank Breather Valve BMW E87 E90 N46 120i 320i Fuel Injection 7512576

The BMW E87 E90 N46 120I 320I Fuel Tank Vent Valve is an original fuel system component designed for BMW models with the N46 engine. It is responsible for controlled fuel tank venting and proper vapor flow, contributing to stable engine operation and correct interaction with the injection system. This is a practical solution for users seeking a proven OEM component instead of unreliable aftermarket alternatives.

Specifications and technical data

• SKU: 7512576
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7512576
• Substitutable numbers: 13907512576, 7512576
• Category: Additional Fuel Injection Parts

Function and Role of the Tank Vent Valve

The presented valve plays a crucial role in managing fuel vapors in BMW 1 Series E87 and 3 Series E90 vehicles equipped with the N46 engine. Its task is to control the flow of vapors between the fuel tank and the intake system in order to:

• maintain proper pressure in the fuel tank,
• limit uncontrolled vapor emissions to the atmosphere,
• support stable operation of the injection system under various load conditions,
• minimize the risk of starting problems and uneven engine running.

Thanks to a properly functioning valve, the fuel system maintains predictable operating parameters, which translates to more consistent engine characteristics and a more comfortable driving experience.

Compatibility with BMW E87 / E90 with N46 Engine

The offered component is designed for BMW E87 120i and E90 320i vehicles equipped with the N46 engine. Using a component from the same design group as the factory part ensures:

• compatibility with the factory injection system architecture,
• correct connection of fuel and vacuum lines,
• appropriate valve operating characteristics in terms of pressure and flow.

Choosing an original solution is particularly important for components that interact with the injection system, where even minor parameter deviations can lead to control unit errors or a decrease in engine smoothness.

Performance Characteristics and Benefits of Use

Replacing the fuel tank vent valve in BMWs with the N46 engine is recommended when symptoms such as fuel odor around the vehicle, fuel tank venting problems, or occasional fuel system-related errors occur. Using this component allows you to:

• restore proper fuel tank venting,
• stabilize the injection system's operation at low and medium loads,
• reduce the risk of diagnostic errors related to the fuel vapor circuit,
• maintain compliance with the vehicle manufacturer's original specifications.

For users who prioritize technically consistent solutions, choosing an original valve is a sensible alternative to random aftermarket parts with unverified parameters.

Condition, Origin, and Economic Aspect

The component is a used part from a dismantled BMW vehicle and is offered as part of the Other Injection System Parts category. Such used components offer an attractive compromise between cost and functionality, especially for daily driven cars where both correct operation and a rational approach to the service budget are important.

For those considering wider use of used parts in their projects, a guide on an economical approach to purchasing components may be helpful – more information can be found in the article Used Car Parts for Mini Cooper – a Way to Style and Save, which discusses the practical aspects of choosing reliable parts from the aftermarket.

BMW Fuel System Expansion – Related Parts

If you are planning a comprehensive repair or upgrade of the fuel system area in your BMW and need other parts from the same group, such as control valves, fuel lines, or additional components that work with the injection system, check the available parts in the Other BMW Injection System Parts category.

This approach allows you to inspect several related components in a single service session, reducing vehicle downtime and making it easier to maintain the consistency of the entire system.