Mini Cooper One R55 R56 N12 N16 Crankcase Breather Vent Hose Pipe Valve Cover

The MINI R55 R56 R57 Breather Hose Pipe Tube is an original crankcase ventilation system component from the hoses, tubes, and pipes group, designed for use in the engines of MINI R55, R56, and R57 models. This is a practical solution for users who want to restore proper engine ventilation, maintaining factory engine operating characteristics.

Specifications and technical data

• SKU: 7555261
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 7555261
• Substitutable numbers: 11157555261, 7555261, 11157568081, 7568081
• Category: Hoses, Lines & Pipes

Purpose and Function in the Engine System

The breather hose in MINI R55, R56, and R57 series is responsible for the controlled discharge of gases from the crankcase, which directly impacts engine stability and the cleanliness of the intake system. A properly functioning hose reduces the risk of excessive contaminant buildup in the intake manifold and intake components, and also helps maintain proper crankcase pressure.

Using an original hose in the crankcase ventilation system is particularly important in modern MINI engines, where the ventilation system is precisely tuned with the engine control unit maps. This ensures proper running characteristics and minimizes the risk of undesirable diagnostic errors.

Construction and Fitment for MINI R55, R56, R57

The offered hose belongs to the Hoses, Tubes, and Pipes category, meaning it is designed to operate in an environment of elevated temperatures and contact with oil vapors. The shape and connection diameters are adapted to the factory spigots in MINI engines, which facilitates installation and ensures proper sealing of connections.

The component is structurally prepared for operation in the engine bay, where variable thermal and mechanical loads occur. Using an original solution helps avoid problems typical of aftermarket replacements with imprecise fitment, such as leaks, material stress, or accelerated wear.

Benefits of Using an Original Breather Hose

Replacing a worn or leaking breather hose with an original MINI component offers a range of practical operational benefits:

• more stable engine operating conditions due to proper crankcase gas discharge,
• reduced risk of oil leaks and contaminants around the intake system,
• better compatibility with the factory engine control unit and sensors,
• maintained structural fitment to mountings and spigots in MINI R55, R56, R57.

For users who care about the technical condition of their powertrain, using an original hose is a sensible choice that helps maintain operating parameters close to factory settings.

Component Condition and Service Application

The MINI breather hose offered in this variant is a used part intended for reinstallation in a vehicle where the existing hose has become worn, cracked, or leaky. This type of part is suitable for both standard crankcase ventilation system repairs and comprehensive engine bay servicing when other components from the hoses, tubes, and pipes group are being replaced.

Selecting the correct breather hose is also important when diagnosing issues with unstable idle speeds, increased oil consumption, or fuel-air mixture related error codes. A functional hose eliminates one of the potential causes of such symptoms.

Other MINI Hoses, Tubes, and Pipes and Technical Advice

If you plan to replace other components from this group during your crankcase ventilation system service, it's worth checking the MINI hoses, tubes, and pipes available in our assortment to comprehensively refresh the installation in the engine bay. This approach helps reduce service downtime and ensures consistency of applied solutions.

When planning more extensive modifications or interior refreshes, the guide material Tuning Your Car's Interior with Global Parts may also be helpful. It discusses practical aspects of selecting used interior components, such as seats or steering wheels, with an emphasis on functionality and ergonomics.