BMW E60 E61 X3 E83 Turbo Charger Diesel M47N2 Turbocharger Housing Part 7794020

BMW E60 E61 X3 E83 Turbo Charger Diesel M47N2 Turbocharger Housing is an original part from the Turbochargers and parts group, designed for BMW diesel engines. It enables professional rebuilding or replacement of the turbocharger housing in diesel power units, maintaining factory geometry and fitment for both exhaust and intake systems. This is a practical solution for workshops and users who want to utilize a proven, used component instead of a complete new turbocharger.

Specifications and technical data

• SKU: 7794020-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7794020
• Substitutable numbers: 7794020, 11657794022, 7794022
• Fuel type: Diesel
• Part type: Turbocharger
• Category: Turbos & Parts

Purpose and function of the turbocharger housing

The presented turbocharger housing is dedicated to BMW power units fueled by Diesel, used in models such as the E60, E61, and X3 E83 with the M47N2 engine. The component is responsible for the proper routing of exhaust gases through the hot side of the turbine and the stable mounting of the turbocharger core, which directly impacts boost characteristics and engine refinement.

By maintaining factory mounting points and the shape of flow channels, the housing allows for the restoration of original boost system operating parameters without the need for structural modifications. This is particularly important for precisely tuned BMW units, where turbocharger geometry affects performance, fuel consumption, and exhaust emissions.

Benefits of using an original BMW housing

Using an original BMW turbocharger housing in the M47N2 engine ensures:

• factory fitment to the exhaust manifold and other boost system components,
• maintenance of proper exhaust gas flow and stable turbine operation,
• the possibility of professional turbocharger regeneration using a proven housing,
• reduced risk of installation issues typical of aftermarket parts with different geometry.

For workshops specializing in BMW service, this means a more predictable repair process and easier maintenance of engine operating parameters at a level close to factory specifications.

Application in service practice

The turbocharger housing from this offer is suitable both for comprehensive turbine regeneration and for repairs resulting from mechanical damage to the hot side (cracks, deformations, seat wear). The used OEM element allows for the cost-effective restoration of boost system efficiency while maintaining the high quality of workmanship characteristic of the BMW brand.

The product is particularly useful in situations where the turbocharger core remains in good technical condition, and only the housing requires replacement. This helps reduce repair costs while maintaining compliance with the factory specifications of the M47N2 engine.

Condition and origin of the part

The housing comes from the BMW parts group and is offered as a used item, making it an attractive cost-effective alternative to new components. For many users and specialized services, this is a reasonable compromise between price and maintaining the original design of the boost system.

Related products and technical knowledge

If you are planning a comprehensive repair or upgrade of your BMW engine area and need other elements from the same group, such as housings, cores, or mounting hardware, check out the available parts in the BMW Turbochargers and parts category.

To better plan service work and reduce vehicle downtime in the workshop, it is worth familiarizing yourself with practical tips regarding parts logistics and repair organization. This is described in detail in the article No more weeks of waiting – how a wide assortment in one warehouse really shortens your car's downtime at the mechanic?, which shows how the availability of appropriate components – including professional used parts – affects the speed of repair completion.