BMW Z4 Series E85 2.0i N46 Vacuum Hose Line Pipe Servo Brake 7547579

BMW Z4 Series E85 2.0i N46 Vacuum Hose Line Pipe Servo Brake is an original brake booster system component designed for BMW Z4 E85 series models with the N46 engine. As part of the Brake Boosters and Proportioning Valves group, it is responsible for the stable transmission of vacuum to the brake booster, which translates into predictable brake pedal response and safe deceleration. This used OEM component is a sensible choice for brake system maintenance when you prioritize factory geometry and a perfect fit for your BMW installation.

Specifications and technical data

• SKU: rhd-7547579
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7547579
• Substitutable numbers: 34337547579, 7547579, EM
• Category: Brake Servos

Application in BMW Z4 E85 2.0i N46

The offered vacuum hose is designed specifically for the brake system of the BMW Z4 E85 series with the N46 unit, where it works in conjunction with the brake booster and the intake manifold. Thanks to its factory profile and diameter, it ensures a tight connection and proper vacuum flow, which is crucial for effective brake assistance in daily use and during dynamic driving.

Selecting a hose dedicated to a specific engine version minimizes the risk of leaks, stress on the connectors, and improper routing in the engine bay. This is particularly important in the compact layout of the BMW Z4, where every brake system component must work with others without collisions or the need for additional modifications.

Construction and function of the vacuum hose

The brake booster vacuum hose in this model acts as a link between the vacuum source and the booster, stabilizing the operation of the brake assistance. Properly selected stiffness and resistance of the material to temperature and vacuum limit the risk of deformation, wall collapse, or micro-cracks that could lead to a decrease in braking efficiency.

Key advantages of this component include:

• Factory fit for the BMW Z4 E85 brake system – a hose designed for the specific N46 engine configuration.
• Stable vacuum maintenance in the booster – ensures consistent assistance force with every press of the brake pedal.
• Reduced risk of leaks in a critical area of the brake system.

Benefits of using an original used hose

Choosing a used vacuum hose from a BMW dismantler allows you to maintain the original performance characteristics of the brake system without the need for aftermarket replacements with uncertain parameters. The OEM component is designed for a specific platform, ensuring it maintains the correct routing relative to the booster, manifold, and other lines in the engine bay.

A used component from the Brake Boosters and Proportioning Valves category is also a cost-effective solution while maintaining a high level of safety. With proper installation and leak testing, the hose can continue to operate in the system for a long time, providing predictable brake response and comfortable pedal feel.

Selection, installation, and operation

Before installing the vacuum hose in a BMW Z4 E85 2.0i N46, it is worth paying attention to:

• compatibility of the shape and diameter of the connectors with the existing brake booster and manifold,
• proper routing of the hose according to the factory path,
• secure seating on the connections and checking for leaks after starting the engine.

Regular inspection of the hose condition during brake system maintenance allows for early detection of potential signs of wear, such as material hardening or surface cracks. This helps maintain stable brake booster operation and prevents a sudden loss of braking efficiency.

To better care for the durability of dismantled parts, including hoses and brake system components, it is worth checking out practical tips on maintaining used parts – you can find them in the article How to extend the life of used car parts?.

Expanding BMW brake system service

If you are planning a comprehensive repair or upgrade of the braking area in your BMW and need other elements from the same group, such as boosters, proportioning valves, or additional vacuum hoses, check out the available parts in the BMW Brake Boosters and Proportioning Valves category.