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

The BMW F20 F30 125d 325d N47S1 Turbocharger Turbine Oil Hose is an original turbocharger and parts component designed for the BMW 1 Series F20 and 3 Series F30 models with the N47S1 engine. This oil hose ensures factory fit, proper turbine lubrication, and stable operation of the turbocharger system in your petrol engine.

Specifications and technical data

• SKU: 7823285-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7823285
• Substitutable numbers: 7823285, 11657823285
• Fuel type: Petrol
• Category: Turbos & Parts

Purpose and role in the charging system

The BMW F20 F30 125d 325d N47S1 turbocharger oil line is responsible for supplying engine oil to and from the turbine, which is crucial for cooling and lubricating the rotor. A properly selected line reduces the risk of overheating, bearing seizure, and performance degradation, and also helps maintain stable oil pressure throughout the system.

The component is designed for a specific engine and supercharger configuration, maintaining the correct routing geometry, internal diameter, and mounting points. This alignment ensures hassle-free installation and maintains operating parameters consistent with the manufacturer's specifications.

Construction, workmanship and compatibility

The original BMW Group oil line was designed as part of the turbocharger lubrication system in a petrol engine. The line's design includes:

• appropriately selected flow diameter to ensure proper oil supply,
• factory-fitted ends and connections to the turbine housing and engine block,
• shape and length enabling the cable to be routed according to the original route in the engine compartment.

This allows the hose to work with the turbocharger as intended by the manufacturer, without the need for any modifications to the system or additional adapters. This is particularly important in modern engines, where the turbocharging and lubrication systems operate at high temperatures and under heavy loads.

Condition, verification and service application

The part is offered as a used original equipment item, which means it retains factory specifications while offering a more attractive price than a new component. This type of cable is ideal for situations where:

• it is necessary to replace a damaged or leaking oil line,
• the turbocharger is regenerated or replaced,
• oil leaks occur around the turbine or oil pressure drops.

Using the original oil line reduces the risk of leaks, incorrect thread fit or too small a flow cross-section, which can be a problem with low-quality substitutes.

Benefits of using the original oil line

Choosing an original BMW turbocharger oil line brings a number of practical operational benefits:

• stable turbine lubrication – proper oil flow supports the durability of the bearings and rotor,
• maintaining factory operating parameters – no interference with the design of the charging system,
• easier installation – the cable fits the original mounting points and connections,
• reducing the risk of leaks – fitted tips and seals work with factory sockets.

For workshops and individual users, this means shorter installation times, a lower risk of complaints and predictable behavior of the charging system after repair.

Other BMW turbochargers, parts and how-to materials

If you are also looking for other turbochargers and parts for BMW, check out our dedicated offer in the turbochargers and parts for BMW category, where you will find a wide selection of turbocharger components adapted to various models of this brand.

When performing comprehensive service work on the drivetrain, it's also worth ensuring the vehicle's lighting is in good working order. The guide article "Seeing More and Better – A Complete Guide to Selecting and Replacing Used LED and Xenon Headlights" will help you select the right components. It discusses, among other things, the selection of original BMW headlights and accessories.