BMW 1 3 X1 Series E81 E87 E88 E90 E91 E92 LCI Vacuum Pipe Hose

BMW 1 3 X1 Series E81 E87 E88 E90 E91 E92 LCI Vacuum Pipe Hose is a component from the Brake hoses, lines and connectors group, designed for operation in vacuum systems in petrol-powered BMW 1 and 3 Series models. It is responsible for stable vacuum routing, which supports the proper functioning of related components and helps maintain predictable vehicle behavior during braking and dynamic driving.

Specifications and technical data

• SKU: 7549506
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7549506
• Substitutable numbers: 11667549506, 7549506, 11667549507, 7549507, 34336766085, 6766085, 34336766134, 6766134
• Category: Brake Hoses, Lines & Fittings

Purpose and function in the vehicle system

The offered vacuum pipe hose is designed to work with petrol engines of the BMW E81, E87, and E90 series, where it is responsible for the controlled transmission of vacuum between system components. Stable vacuum is essential for the operation of the brake booster and other consumers, which is why the proper condition of the hose translates into a predictable vehicle response when the brake pedal is pressed.

The element belongs to the Brake hoses, lines and connectors group, which means it works with components responsible for driving safety. Replacing a worn or leaking hose with a functional one helps reduce the risk of reduced braking efficiency resulting from vacuum loss.

Benefits of using an original BMW hose

Using a hose from the BMW range ensures a perfect fit to the factory engine bay geometry and compatibility with original mounting points. Thanks to this:

• the proper routing of the hose is maintained, which reduces the risk of abrasion and stress,
• compatibility with standard connectors and ports is preserved,
• installation is carried out in an orderly manner, without the need for system modifications.

A used OEM component is a solution that allows you to combine factory fitment with a more favorable cost compared to a new part, while maintaining a design consistent with the manufacturer's specifications.

Component condition and installation aspects

The vacuum pipe hose is offered in Used condition, which means it has been removed from a vehicle and was previously in operation. Before reinstallation, it is worth checking this type of part for potential micro-cracks, signs of overheating, and airtightness along its entire length to ensure stable vacuum system performance.

During installation, it is recommended to:

• check the condition of the sockets and ports to which the hose is connected,
• inspect clamps or quick-connectors for wear,
• maintain the original routing of the hose, away from high-heat engine components.

Integration with the braking system and safety

Although the vacuum pipe hose is not a classic brake fluid line, its proper operation affects the performance of the brake booster system. Leaks in the vacuum circuit can result in a harder brake pedal and less comfortable, and in extreme cases, less effective system response. Therefore, regular inspection of vacuum hoses is an important part of brake system maintenance in modern vehicles.

To better plan your service and make informed choices when selecting used components, it is worth reading practical tips on choosing brake system elements. You can find a detailed checklist in the article: Second-hand brake system: how to safely choose discs, calipers, and ABS?.

Expanding service within BMW brake hoses and connectors

If you are planning a comprehensive repair or upgrade of the braking zone in your BMW and need other elements from the same group, such as flexible hoses, rigid lines, or service connectors, check the available parts in the BMW brake hoses, lines and connectors category.

Summary

BMW 1 3 X1 Series E81 E87 E88 E90 E91 E92 LCI Vacuum Pipe Hose is a practical solution for users who want to restore the proper operation of the vacuum system in their car, while maintaining the factory fit and design intended by the manufacturer. Choosing an original hose from the Brake hoses, lines and connectors group supports the stable operation of the brake booster and other vacuum consumers, which translates into predictable vehicle behavior in daily use.