Connector Pipe BMW E60 E61 M57N 535d Diesel Turbo Turbocharger Hose 7794571

The BMW E60 E61 M57N 535d Turbo Hose Connector is a specialized component of the turbocharger system in BMW diesel engines, designed to precisely route air between the turbocharger and other intake components. This used part from the Turbocharger and Parts category allows for a cost-effective, yet technically correct, repair of the turbocharger system in 5 Series models.

Specifications and technical data

• SKU: 7794571-4
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7794571
• Substitutable numbers: 7794571, 11657794571
• Fuel type: Diesel
• Category: Turbos & Parts

Purpose and function in the supercharging system

The turbo hose connector is responsible for a stable, tight connection between the turbocharger components in a diesel engine. In the M57N 535d, it provides:

• controlled flow of compressed air from the turbocharger to the further intake sections,
• maintaining the appropriate boost pressure throughout the entire rev range,
• reducing pressure drops and flow losses, which translates into stable engine operation.

Thanks to its proper fit to the Diesel system, this element works with the factory turbocharger configuration, maintaining the parameters provided by the vehicle manufacturer.

Construction, fitting and assembly

The connector is designed to be compatible with the factory geometry of the BMW 5 Series supercharger system, making it easy to install in the engine compartment without the need for modifications. The hose design ensures:

• appropriately selected diameter and shape for air flow in the M57N engine,
• compatibility with factory mounts and clamps,
• stable cable routing in the space between the turbocharger and the remaining intake elements.

The used condition of a part means that the item has been disassembled, allowing it to maintain its original assembly specifications while reducing repair costs.

Benefits of using a used turbo hose pipe connector

Using the original connector from dismantling in the charging system of a BMW 5 Series diesel engine brings a number of practical benefits:

• maintaining the factory operating characteristics of the turbocharger and intake system,
• reducing the risk of leaks compared to random substitutes with uncertain fit,
• the ability to restore the correct boost pressure after a failure or wear of the previous hose,
• an economical solution for users who want to keep their car in good technical condition without excessive costs.

This is particularly important in powerful diesel engines, where the stability of the boost pressure has a direct impact on the dynamics, operating refinement and fuel consumption.

Used condition and use in service practice

This turbo hose/pipe connector is suitable for both typical maintenance repairs and more complex service work related to the turbocharger or intake system. The used condition of the part allows for:

• rational reduction of repair costs while maintaining compliance with factory specifications,
• replacement of damaged or leaking pipes without interfering with other system components,
• consistent fit with other components of the original BMW supercharging system.

This solution is eagerly chosen by workshops specializing in BMW servicing, as well as by conscious users who take care of the technical condition of their vehicles themselves.

Related system components and service knowledge

When working on the supercharging and intake systems in a BMW 5 Series, it's also worth paying attention to the condition of the controllers and modules responsible for engine management and on-board systems. Proper electronics diagnostics and the use of disassembled parts in other areas of the vehicle are described in more detail in the article: Driving pleasure for years to come – how to care for the iDrive systems and electronic modules in BMW 3 and 5 Series models using disassembled parts?

If you're also looking for other turbochargers and parts for BMW, check out our dedicated offer: turbochargers and parts for BMW . This will help you easily assemble the components needed for a comprehensive turbocharger service in your car.