BMW X1 3 E84 E90N E91N LCI Diesel N47N Intercooler Charge Air Line Hose 7812619

BMW X1 3 E84 E90N E91N LCI Diesel N47N Intercooler Charge Air Line Hose is an original turbocharging system component designed for Diesel engines in facelifted BMW 1 and 3 series models. It ensures a tight and stable routing of compressed air between the turbocharger and the intercooler, which translates into proper engine operation and the maintenance of factory performance parameters. This solution is dedicated to users who expect a secure fit and correct compatibility with standard equipment.

Specifications and technical data

• SKU: 7812619-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7812619
• Substitutable numbers: 11617812619, 7812619, 11618511804, 8511804, EM
• Fuel type: Diesel
• Category: Other Engine Parts

Purpose and function in the turbocharging system

The intercooler charge air line hose in diesel BMW E84, E90, and E91 LCI models is responsible for transporting compressed air from the turbocharger to the charge air cooler and further towards the intake manifold. Maintaining proper flow and tightness in this section is crucial for:

• stable boost pressure across the entire RPM range,
• correct operation of the engine control unit and fuel injection system,
• maintaining nominal power and torque,
• reducing smoke and performance drops under load.

A properly selected intercooler hose also helps reduce the risk of intake air overheating, which is important for the durability of the engine and its accessories.

Compatibility with BMW Diesel engines

The presented component has been designed for turbocharging systems in BMW vehicles with Diesel engines, where precise fitment with factory connectors, clamps, and mounts is required. This allows for:

• maintaining the original geometry of the hose routing in the engine bay,
• correct positioning relative to other components (radiators, covers, wiring harnesses),
• minimization of stress and vibrations acting on the intake system connections.

Proper compatibility translates into reducing the risk of leaks, seal failures at joints, and unwanted noises during the operation of the turbocharged engine.

Characteristics of the used component

As a secondary market part, the BMW intercooler charge air line hose is a cost-effective solution compared to a new replacement or an OEM part. The used component allows for:

• restoring the efficiency of the turbocharging system after damage or wear of the previous hose,
• reducing repair costs while maintaining the original design,
• preserving the factory air flow concept and fitment with the rest of the equipment.

For many BMW users, this is a technically sound choice for maintenance repairs of the intake system, especially in vehicles that are used intensively.

Selection by numbers and system integration

The intercooler charge air line hose has a dedicated OEM part number and associated interchangeable numbers, which facilitates precise identification and selection for a specific engine configuration and vehicle year. In practice, this means the possibility of:

• verifying compatibility with a given BMW model based on service documentation,
• comparing with the component currently installed in the vehicle,
• reducing the risk of purchasing an incompatible version of the hose.

Thanks to this, the installation process is smoother, and the component works with the intake system without the need for modifications.

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other components from the same group, such as intake hoses, pressure pipes, or air routing elements, check out the available parts in the Other BMW category.

Technical support and expert knowledge

When working with turbocharging systems and high-performance engines, it is worth using reliable sources of knowledge. To compare solutions used in different brands and engine configurations, you can refer to material describing sports designs, their engines, brakes, and chassis – you will find it in the article Audi RS vs other models – what is hidden under the hood and chassis?, which shows how important properly selected components are in the entire drivetrain.