BMW E87 E90 118d 320d M47N2 Diesel Engine Cover Acoustic 7789006

Visual condition of the part

The product shows signs of use visible in the photos.

BMW E87 E90 118d 320d M47N2 Diesel Engine Cover Acoustic is an original component from the Cylinder Heads group, designed for BMW M47N2 family diesel engines. The cover serves as a functional addition to the upper part of the engine, improving component protection and the aesthetics of the engine bay in diesel-powered vehicles.

Specifications and technical data

• SKU: 7789006-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7789006
• Substitutable numbers: 11147807248, 7807248, 11147789006, 7789006
• Location on the vehicle: Front
• Fuel type: Diesel
• Category: Cylinder Heads

Purpose and function of the engine top cover

The presented engine top cover is dedicated to BMW M47N2 family diesel engines, used in models such as the 1 Series E87 and 3 Series E90 in 118d and 320d versions. The component is mounted in the front part of the engine bay, where it is responsible for shielding sensitive components and organizing the workspace.

The cover performs several important technical tasks:

• limits the ingress of contaminants into the upper part of the power unit,
• stabilizes the routing of cables and harnesses in the cylinder head area,
• supports the maintenance of proper temperature distribution in the upper engine zone,
• improves the visual appearance of the engine bay, which facilitates service inspections.

Compatibility and fitment for Diesel units

The cover has been designed specifically for BMW M47N2 family diesel engines, ensuring correct mounting points and geometry matched to the shape of the cylinder head and accessories. This solution provides:

• proper fitment to the upper part of the power unit,
• no interference with accessory components characteristic of diesel engines,
• the possibility of direct installation in place of the factory cover.

By adhering to manufacturer standards, the cover works with factory mounting points in the cylinder head area, which facilitates installation and subsequent service activities.

Characteristics of the component from the Cylinder Heads category

As a component from the Cylinder Heads group, the engine top cover operates in the immediate vicinity of key power unit components. The construction is adapted to the conditions prevailing in a diesel engine bay, such as elevated temperatures, the presence of oil vapors, and vibrations resulting from the operation of the diesel unit.

The main advantages of this solution include:

• factory fitment to the architecture of the upper part of the BMW engine,
• preservation of the original layout of covers in the engine bay,
• possibility of use in the process of repair or restoration of the factory power unit configuration.

Condition, service application, and practical aspects

The cover comes from the secondary market, which makes it a cost-effective solution while maintaining the original manufacturer's specifications. This type of component is particularly useful in situations where the existing cover has suffered mechanical damage, deformation, or was removed during previous repairs.

In workshop practice, the engine top cover is used, among other things, for:

• comprehensive maintenance of the power unit in diesel vehicles,
• restoring the factory look of the engine bay after repairs,
• limiting the impact of contaminants on components located in the cylinder head area.

Expanding knowledge and selecting parts

When working with secondary market components, especially in the power unit area, it is worth knowing good practices for selecting and installing parts. A detailed discussion of the principles of identification by manufacturer markings, compatibility verification, and practical aspects of installation can be found in the Global Parts guide: used electronics and control modules in a car – a practical guide to selection and installation.

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 additional covers, shields, or mounting elements in the cylinder head area, check the available parts in the BMW Cylinder Heads category.