Oil Line BMW F20 F30 125d 325d N47S1 Turbo Charger Supply Hose Pipe 7823285

Oil Line BMW F20 F30 125d 325d N47S1 Turbo Charger Supply Hose Pipe is a component from the Turbochargers and parts category, designed for the forced induction system in BMW power units. It is responsible for the stable supply of oil to the turbocharger, which is crucial for its durability, lubrication, and cooling. This solution allows for maintaining the efficiency of the forced induction system while preserving the factory engine performance characteristics.

Specifications and technical data

• SKU: 7823285-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7823285
• Substitutable numbers: 7823285, 11657823285
• Fuel type: Petrol
• Part type: Turbocharger Hose
• Category: Turbos & Parts

The role of the turbocharger oil line in a BMW engine

The turbocharger oil line in BMW F20 and F30 series models with the N47S1 engine is responsible for precisely delivering oil at the correct pressure to the turbine rotor. Proper lubrication minimizes friction, reduces overheating, and lowers the risk of bearing seizure. As a result, the turbocharger can maintain stable boost parameters, and the power unit retains predictable throttle response and proper operating culture.

Benefits of using an original oil line

Using a turbocharger oil line dedicated to specific versions of the BMW F20 and F30 allows for maintaining compatibility with the factory hose routing geometry and mounting points. The properly selected internal diameter and connection design facilitate the maintenance of correct oil flow, which translates into:

• stable operating conditions for the turbocharger across the full load range,
• reduction of the risk of leaks in the lubrication system,
• preservation of operating parameters in accordance with the manufacturer's specifications. The component from this group is particularly important during operation in urban and highway conditions, where the turbocharger often works under variable loads and temperatures.

Condition, fitment, and service application

The offered turbocharger oil line is a dismantled component, which allows for an economical restoration of the forced induction system's efficiency while maintaining the original BMW specification. This type of part is suitable both for standard replacement of worn hoses and for comprehensive service work related to the turbocharger, such as regeneration or replacement of the entire assembly. Thanks to the preservation of factory connection points, installation is predictable, without the need for modifications to the oil system. This solution helps reduce vehicle downtime in the workshop and facilitates leak testing after the work is completed.

Safety of the forced induction system

A functional turbocharger oil line has a direct impact on the safety of the power unit's operation. Maintaining proper oil flow reduces the risk of turbine overheating and the ingress of contaminants into the system. In practice, this translates into:

• reduced risk of turbocharger failure,
• stable oil pressure at critical points of the system,
• more predictable engine operating conditions under higher loads. For users who value maintaining the factory characteristics of their BMW, this is an important element of preventive maintenance, especially in vehicles that are heavily used.

Expanding BMW forced induction system service

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other elements from the same group, such as oil lines, oil return lines, or additional lubrication connections, check the available parts in the BMW Turbochargers and parts category.

Service knowledge and selection of used components

When working with forced induction systems and all-wheel drive in premium brand vehicles, it is worth relying on verified service information and consciously selecting used components. To deepen your knowledge about the specifics of AWD drives and typical wear-and-tear elements, you can use our guide material: xDrive, 4Matic, quattro or 4Motion – a comparison of AWD systems from BMW, Mercedes, Audi, and VW. If you are also interested in how original components influence the character of other premium brands, it is worth reading an article describing the role of factory parts in maintaining Audi's driving properties: Audi and emotions in their purest form. How do used parts help maintain the brand's DNA?.