Turbo Part BMW E60 E61 M57N 535d 306D4 Diesel Oil Pipe Lubrication 7794571

The BMW E60 E61 M57N 535d 306D4 Turbo Oil Line is an original component of the turbocharger system in diesel engines, responsible for ensuring a stable oil supply to the turbocharger. The line's precise design ensures proper turbo lubrication, which translates into safe engine operation and reduced risk of costly breakdowns.

Specifications and technical data

• SKU: 7794571-5
• 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 lubrication line in BMW 5 Series E60 and E61 models with the M57N 535d 306D4 diesel engine is responsible for transporting oil at the correct pressure to the turbocharger. A properly functioning line:

• ensures continuous lubrication of the turbocharger bearings,
• stabilizes the rotor operating conditions at high speeds,
• reduces the risk of turbo overheating and seizure,
• supports the maintenance of factory engine performance parameters.

Replacing a worn or leaking hose with a working component from the same category allows you to restore the proper operation of the charging system without interfering with the design of the drive unit.

Technical characteristics and fit

This turbocharger lubrication line is part of the Turbocharger and Parts category, meaning it's specifically designed to operate at high temperatures and high oil pressure. As a genuine BMW OE component, it provides:

• factory fit to the oil system of the M57N 535d engine,
• compliance with the geometry of the turbocharger used in this unit,
• correct oil routing without the need for installation modifications.

This makes installation predictable and reduces the risk of leaks due to misalignment.

Product condition and service use

The hose is offered as a used part, allowing for cost-effective repair of the supercharger system while maintaining the original manufacturer's specifications. This type of component is particularly useful in situations where:

• oil leaks were detected around the turbocharger,
• mechanical damage occurred to the cable during turbo disassembly,
• Comprehensive servicing of the turbocharger in a diesel engine is necessary.

Replacing the lubrication line is recommended after any major intervention in the turbocharger to minimize the risk of recurrence of failure due to restricted oil flow.

Benefits of using the original BMW cable

The use of the original turbo lubrication line in the BMW E60/E61 with the M57N 535d 306D4 engine brings a number of practical service benefits:

• Factory fit – maintaining the original geometry of the oil system and turbocharger.
• Stable lubrication – proper oil flow to the turbo, which supports the durability of the entire turbocharging system.
• Operational safety – reducing the risk of turbocharger seizure in a diesel engine.
• Economical repair – a used OEM component allows you to reduce service costs while maintaining the appropriate level of quality.

Other BMW turbo lubrication lines and service knowledge

If you are looking for other turbo lubrication lines dedicated to BMW vehicles, check out our BMW turbochargers and parts category, where you will find a wide selection of turbocharger components suited to various models and engine versions.

When planning repairs to the drivetrain and bodywork, it's worth using reliable sources of information. For bodywork and selecting salvage parts, the article "Body and Bodywork – Post-Accident Repairs Using Salvage Parts" will be helpful. It discusses a practical approach to using original, used components in a professional service.