Audi RS4 B9 RS5 F5 Engine Breather Air Pipe Hose Line 2.9 TFSI 06M133240BT

Audi RS4 B9 RS5 F5 Engine Breather Air Pipe Hose Line 2.9 TFSI is an original crankcase ventilation component designed for 2.9 TFSI petrol engines in RS4 B9 and RS5 F5 models. This specialized hose from the Lines, hoses and pipes category is responsible for the proper discharge of gases from the engine compartment, supporting stable engine operation and reducing the risk of unwanted leaks. Thanks to its factory geometry and fitment, it ensures secure installation and predictable performance in the demanding operating conditions of Audi sports models.

Specifications and technical data

• SKU: 06M133240BT
• Mark: Audi
• Condition: Used
• OEM Part Number: 06M133240BT
• Substitutable numbers: 06M133240BT, 06M 133 240 BT
• Fuel type: Petrol
• Category: Hoses, Lines & Pipes

Purpose and function in the 2.9 TFSI engine

The breather pipe in the 2.9 TFSI petrol engine plays a key role in the crankcase ventilation system. It is responsible for the controlled discharge of gases generated during engine operation, which helps maintain stable pressure inside the engine and reduces stress on seals. For the high-performance units used in the RS4 B9 and RS5 F5, a properly functioning breather hose is essential for:

• maintaining the integrity of the lubrication system under high loads,
• reducing the risk of blow-by and uncontrolled pressure increases,
• stable engine operation across the entire rev range,
• keeping the engine bay clean by limiting oil vapor leaks.

Construction and fitment for RS4 B9 / RS5 F5 models

The hose was designed by Audi as a factory component, ensuring it maintains the correct geometry, connection diameters, and mounting points required in the engine bay of RS4 B9 and RS5 F5 models. The properly selected stiffness and flexibility of the material allow for the compensation of engine vibrations while maintaining tight connections with other system components.

This fitment translates into:

• easier installation without the need for modifications,
• correct routing of the hose in the engine bay,
• reduced risk of chafing and damage resulting from contact with other components.

Performance characteristics of the used component

The offered hose comes from dismantling, which means it is a used part, but still intended for further use in cars with a petrol engine. In practice, this allows for an economical replacement of a damaged or leaking breather pipe while maintaining factory specifications and compatibility with the engine system. For many RS4 B9 and RS5 F5 users, this is a sensible solution for routine repairs and restoring the full efficiency of the engine.

Benefits of using an original breather hose

Using an original breather hose in the 2.9 TFSI engine allows you to maintain engine operating parameters in accordance with the manufacturer's specifications. A properly functioning breather system contributes to smooth engine operation, reduces the risk of errors related to leaks, and helps maintain stable operating conditions during dynamic driving. This is particularly important in powerful, turbocharged petrol units, where any leaking hose can lead to unwanted performance drops or operational issues.

Complementary Audi hose system components

If you are planning a comprehensive repair or upgrade of the engine area in your Audi and need other components from the same group, such as additional lines, hoses, or pipes for the ventilation system, check out the available parts in the Audi lines, hoses and pipes category.

For drivers who, alongside engine work, are thinking about improving ergonomics and driving comfort, practical tips on interior upgrades may also be useful. In this context, it is worth reading the guide describing the impact of branded seats from dismantling on comfort and the perceived value of the vehicle – details can be found in the article Interior metamorphosis: how branded seats from dismantling improve comfort and car value.