Description
The BMW E90 E91 E92 LCI E93 Vacuum Hose Pipe Air Duct is an original vacuum system component designed for BMW models with a Diesel engine. Designed as a factory part, it ensures proper vacuum and air routing, which translates to stable engine operation and correct interaction with engine accessories. This is a practical solution for users who want to restore the correct operating parameters of the system without compromising on fit.
Specifications and technical data
- SKU: 6768044
- Mark: BMW (Genuine OE)
- Condition: Used
- OEM Part Number: 34336768044
- Substitutable numbers: 34336768044, 6768044
- Fuel type: Diesel
- Category: Other Interior Parts & Accessories
Purpose and Function in the Vacuum System
The presented vacuum hose pipe for air is a component of the vacuum control system in BMW diesel engines of the E90, E91, E92 LCI, and E93 series. It is responsible for:
- stable vacuum routing to the engine system actuators,
- maintaining air circuit integrity within the manufacturer’s specifications,
- interaction with accessories specific to diesel units.
By maintaining the original hose geometry, it can be correctly positioned in the engine bay without colliding with other components and without requiring modifications.
Compatibility with BMW Diesel Engine Models
The vacuum hose has been developed for the BMW 3 Series E90/E91/E92 LCI/E93 platform with Diesel engines. This means its diameters, length, and mounting points are adapted to the factory vacuum system in these body versions. Using an original solution allows for:
- maintaining compliance with factory hose routing,
- avoiding fitting issues with universal replacements,
- maintaining system operating parameters in line with manufacturer’s specifications.
Component Characteristics and Application Benefits
As a part from the BMW group, the air vacuum hose meets requirements for resistance to temperature, vibration, and contact with media present in the engine bay. The main benefits of using this component include:
- factory fit for the vacuum system in the specific model,
- maintaining system integrity and proper air flow,
- reducing the risk of control unit errors resulting from hose leaks.
A correctly selected vacuum hose helps maintain stable diesel engine operating parameters, which is important for both the dynamics and the smoothness of the unit’s operation.
Part Condition and Installation Aspects
The offered vacuum hose is a used part, allowing for an economical restoration of system functionality while maintaining original construction. Installation involves replacing the worn or damaged hose with a component of the same geometry, which facilitates the mechanic’s work and reduces service time. Hose replacement is particularly recommended in cases of:
- detected leaks in the vacuum system,
- cracks, abrasions, or deformation of the existing hose,
- problems with the operation of vacuum-controlled accessories.
Related Components and Further Technical Knowledge
When expanding or modernizing powertrain systems, it is useful to know the structural differences between standard and sport versions. A good basis for understanding the impact of accessories, intake, and braking systems on a car’s character is the article Audi RS vs. Other Models – What Lies Under the Hood and Chassis?, which discusses differences in engines, brakes, and chassis, among other things.
If, during the service of the vacuum system in your BMW, you also plan to replace other engine accessory or engine bay installation related components, and you wish to stick with the brand’s factory solutions, check the available parts in the Other BMW category.
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