BMW F20 F21 F30 F31 125d 325d N47S1 Charge Air Pipe Line Hose Intake Manifold

The BMW F20 F21 F30 F31 N47S1 Intercooler Hose Pipe is an original turbocharger and parts component designed for use on N47S1 engines. This hose allows for a cost-effective, yet precise, intake system repair while maintaining the factory fit typical of the BMW brand.

Specifications and technical data

• SKU: 7810797
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7810797
• Substitutable numbers: 11617810797, 7810797
• Category: Turbos & Parts

Purpose and function in the supercharging system

The BMW F20 F21 F30 F31 N47S1 intercooler hose is responsible for the tight and stable routing of compressed air between the turbocharger, intercooler, and intake manifold. The correct pipe:

• ensures adequate air flow under pressure throughout the entire engine load range,
• minimizes boost pressure drops,
• reduces the risk of intake air overheating,
• affects the stable operation of the N47S1 unit and the correct response to gas.

Thanks to its design in line with BMW factory standards, the hose works with original clamps, connectors and intake system components, making installation and service easier.

Original origin and BMW compatibility

The component comes from the BMW OE line, which means it retains the factory geometry, diameters, and mounting points. In practice, this translates to:

• reliable fit with the intercooler and other components of the charging system,
• no need for modifications or fitting substitutes,
• maintaining engine operating characteristics in line with the manufacturer's assumptions.

The original cable also has assigned replacement numbers, which makes it easier to verify compatibility with a specific vehicle configuration in BMW catalogues.

Used condition - conscious service choice

The hose is offered in used condition, significantly reducing repair costs compared to a new OE part while maintaining the factory design. This type of component is particularly important in the following cases:

• leaks in the charging system (power loss, smoke, charging pressure errors),
• mechanical damage to the cable (cracks, abrasions, deformations),
• the need for quick replacement without a long wait for a new component.

Choosing a used intercooler hose is a sensible solution for users who want to restore their N47S1 engine to proper operation while striking a balance between cost and quality.

Benefits of using the original intercooler hose

The use of the original BMW intercooler pipe in the F20, F21, F30 and F31 models with the N47S1 engine brings a number of practical benefits:

• Stable boost pressure – a tight hose limits air leakage, which improves the dynamics and smooth operation of the unit.
• Turbocharger Compatibility – The part comes from the turbochargers and parts category, so it is designed to work with the factory supercharging system.
• Trouble-free installation – retained factory geometry facilitates installation in workshop and service conditions.
• Consistency with the rest of the system – the original solution reduces the risk of incorrect cable placement, friction against other components or excessive vibration.

Parts selection and additional technical materials

When selecting an intercooler hose for a specific BMW with an N47S1 engine, it's worth verifying compatibility based on the OEM part number and interchangeable part numbers in the manufacturer's catalog or service documentation. This helps avoid mistakes and speeds up the repair process.

If you are also interested in other turbochargers and parts for BMW, check out our dedicated offer: turbochargers and parts for BMW .

For a comparison of the approach to original equipment in other premium brands, you can check out our article on preserving the Audi character using aftermarket parts: How used Audi parts help maintain the brand's DNA .