BMW 3 Series E90 E91 E92 E93 LCI Intake Manifold Vacuum Box 8507306

BMW E90 E91 E92 Vacuum Tank 8507306 is an original intake system component from the Intake Manifolds group, designed for BMW 3 Series models of the E90, E91, and E92 generation. The tank stabilizes vacuum in the system, which promotes the correct operation of vacuum-controlled manifold elements and ensures predictable engine response. This is a practical solution for users who want to restore the factory parameters of the powertrain.

Specifications and technical data

• SKU: 8507306
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8507306
• Substitutable numbers: 11718507306, 8507306, 51357269564, 7269564
• Category: Intake Manifolds

Function and Role of the Vacuum Tank in BMW E90, E91, E92

The vacuum tank is responsible for storing and stabilizing vacuum in the intake system, which directly affects the operation of vacuum-controlled elements such as manifold flaps or auxiliary actuators. This allows the engine to maintain proper cylinder filling parameters across various load ranges, and the throttle response remains predictable and repeatable.

In case of leaks or damage to the tank, problems with the powertrain's operation, unstable idle, or control unit errors may occur. Replacing it with a functional part restores correct intake system operating conditions and reduces the risk of secondary faults.

Compatibility and Fitment with the Intake Manifolds System

The presented tank is designed as an original BMW system part, which means precise fitment with the intake manifold and factory mounting points in the engine bay. The design intended by the manufacturer minimizes the risk of leaks, incorrect routing of vacuum lines, and interference with other accessory components.

This ensures an organized installation process: the component works with the existing vacuum system, and the system maintains the parameters intended by BMW engineers. This is particularly important for diagnostics and servicing, as it simplifies the interpretation of data from the factory diagnostic software.

Characteristics of a Used Component

The offered vacuum tank is a used part, sourced from disassembly. This type of part allows for economical repair of the intake system while maintaining the original BMW construction. In practice, this means the ability to restore system functionality without the need for aftermarket replacements with uncertain fitment.

The choice of a used OEM component is often preferred by users who want to maintain the integrity of the factory system while optimizing service costs. The tank can be used for both standard replacement of a damaged part and for comprehensive intake system servicing.

Service Purpose and Practical Application

This vacuum tank model is suitable for situations where symptoms typical of intake system leaks appear, such as reduced dynamics, manifold operation errors, or unstable flap switching. Replacement of the component is particularly recommended when diagnostics indicate a problem with maintaining vacuum in the system.

Due to its intended purpose, the tank is suitable for both workshops specializing in the BMW brand and for users who service their cars independently and expect a factory structural solution without altering the intake system design.

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other components from the same group, such as manifolds, throttle bodies, or vacuum control elements, check the available parts in the BMW Intake Manifolds category.

More About Intake and Exhaust Systems

For users interested in a broader perspective on engine gas flow and the impact of modifications on performance, we have prepared material discussing the relationships between manifolds, catalytic converters, and the rest of the system. To better understand how the selection of used parts affects the powertrain's operating characteristics, it is worth reading the article: Performance Exhaust System: Used Sport Manifolds and Catalytic Converters on the Road.