BMW F20 F21 125d F30 F31 325d N47S1 Charge Air Line Hose Intake Engine 7810797

The BMW F20 F21 F30 F31 N47S1 Intercooler Hose is an original turbocharger and parts component designed for BMW F Series models with the N47S1 engine. This hose allows for a cost-effective, yet technically correct, repair of the intake system while maintaining the engine's factory operating characteristics.

Specifications and technical data

• SKU: 7810797-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7810797
• Substitutable numbers: 7810797, 11617810797
• Category: Turbos & Parts

Purpose and function in the supercharging system

The intercooler hose in the N47S1 engine is responsible for the tight and stable routing of compressed air between the turbocharger, the intercooler, and subsequent intake components. A properly selected component:

• maintains appropriate boost pressure throughout the entire rev range,
• limits power drops resulting from leaks or cable deformation,
• supports stable operation of the turbocharger and correct response to gas,
• ensures compliance with the factory cable routing geometry in the engine compartment.

By using the original cable from the same family of drive units, the correct diameter, shape and mounting points are maintained, which facilitates installation and reduces the risk of stress in the system.

Benefits of using the original BMW intercooler hose

Choosing an original intercooler hose for your BMW F Series with the N47S1 engine is a beneficial solution from both a technical and operational perspective. This type of component provides:

• factory fit for the turbocharger system and associated parts,
• proper airflow without unwanted turbulence and constriction,
• compatibility with serial clamps, mounts and holders,
• maintaining the standard engine operating parameters after repair or replacement of a damaged cable.

Compared to replacements with uncertain geometry, the original hose reduces the risk of installation problems, rubbing against other components in the engine compartment, or premature wear resulting from incorrect positioning.

Used condition – a practical approach to repair

This intercooler hose is in used condition, significantly reducing repair costs while maintaining the original manufacturer's specifications. This solution is particularly beneficial when:

• the existing cable has cracked, delamination or deformation,
• there are power drops, smoke or errors related to the boost pressure,
• you are looking for a factory-fit component without having to invest in a new component.

A used intercooler hose is a good choice when you are on a budget but still want to maintain the original design of your BMW F20, F21, F30 or F31 turbocharger.

Application in F series with N47S1 engine

BMW F20 F21 F30 F31 N47S1 Intercooler Hose has been designed with a specific model family and engine in mind, which translates into:

• appropriate length and profile adapted to the F series engine compartment,
• compatibility with the turbocharger and intercooler system used in this configuration,
• easier installation without the need for modifications or additional adapters.

Thanks to this, the element can be used both for standard replacement of a worn hose and for restoring the car to its factory condition after previous intake modifications.

Other BMW intercooler hoses and technical knowledge

If you're looking for other BMW intercooler hoses from this or related series, check out our dedicated BMW intercooler hoses category in the Turbochargers and Parts section . There, you'll find a wide selection of turbocharger components to suit various models and engine configurations.

The intercooler and its accessories are just one of the areas where you can improve a car's performance. If you're interested in using used parts to modify premium cars, check out our blog article: MINI John Cooper Works – What Makes It Different and How to Improve Your MINI? , where we discuss a practical approach to upgrading using original aftermarket components.