BMW E60 LCI E90 E91 335d 535d M57N2 Turbo Turbo Pipe Charge Line 7811404

The BMW E60 LCI E90 E91 335d 535d M57N2 Turbo Pipe Hose is an original turbocharger and parts component designed for BMW diesel engines. This product is disassembled, allowing you to maintain the factory fit and performance of the intake system in cars equipped with the M57N2 engine.

Specifications and technical data

• SKU: 7811404-4
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7811404
• Substitutable numbers: 7811404, 11657811404, 7802588, 11657802588
• Fuel type: Diesel
• Category: Turbos & Parts

Purpose and function in the supercharging system

The turbo pipe is responsible for the tight and stable routing of compressed air between the components of the turbocharger system in a diesel engine. In BMW vehicles with the M57N2 engine, it is crucial for maintaining proper boost pressure, efficient turbocharger operation, and proper cylinder filling.

A properly selected turbo pipe helps reduce pressure drops, supports smooth engine operation under load and affects the smooth operation of the drive unit, especially in higher-power models such as the 335d or 535d.

Original origin and BMW compatibility

This part comes from BMW's OE line of parts, meaning it's factory-fitted to the specific model's intake system. This means:

• the cable geometry is consistent with the original routing in the engine compartment,
• Compatibility with factory mounts and clamps is maintained,
• the risk of stress and leaks resulting from incorrect positioning is reduced.

The original turbo hose is the preferred solution for turbocharger system repairs when maintaining stock operating parameters and avoiding problems with matching replacement parts are important.

Used condition and technical aspects of assembly

The hose is offered in used condition, which, in the case of supercharging system components, requires standard inspection prior to installation. When planning installation, it's worth paying attention to:

• surface inspection for cracks, abrasions and deformations,
• checking the clamp sockets and connectors for tightness,
• assessment of flexibility (if there are flexible sections) and the condition of the edges at the joints.

A correctly installed turbo hose in a diesel engine minimizes the risk of power loss, smoke and boost pressure errors recorded by the engine control unit.

Benefits of using the original turbo pipe

Using the original BMW turbo pipe in a diesel engine brings a number of practical benefits:

• stable boost pressure – correct operation of the turbocharger and intercooler,
• factory fit – no modifications, drilling or adjustments required,
• consistency with other system components – compatibility with standard connectors, clamps and fasteners,
• optimal operation of the diesel engine – support for proper cylinder filling and gas response.

For users of BMW models with the M57N2 unit, this is a solution that allows you to restore the proper operation of the charging system after the existing cable has been damaged or worn out.

Selection by OEM number and technical support

When selecting a turbo hose for a specific BMW, it's crucial to compare the OEM and interchangeable numbers with the vehicle's specifications and manufacturer's documentation. When in doubt, it's worth using the VIN and catalog information to ensure the component is fully compatible with the specific engine version and year.

If you want to check step by step how to properly match the components of the supercharging system based on the OEM or VIN number, the guide: how to choose the right car part by VIN and OEM number will be helpful, in which you will find practical tips and a list of control questions for the seller.

Other BMW turbocharger hoses and components

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