BMW E90 E91 E92 E93 LCI Diesel N47N Engine Acoustic Cover Panel 7810852

Visual condition of the part

The product shows signs of use visible in the photos.

BMW E90 E91 E92 E93 LCI Diesel N47N Engine Acoustic Cover Panel is an original component from the Tappet and valve covers group, designed for installation in the front part of the engine bay in diesel versions. It ensures the organization of the workspace, improves the protection of critical components, and enhances the aesthetics of the engine bay in facelifted (LCI) BMW 3 Series cars with the N47N unit.

Specifications and technical data

• SKU: 7810852-3
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7810852
• Substitutable numbers: 11147810852, 7810852
• Location on the vehicle: Front
• Fuel type: Diesel
• Category: Rocker & Valve Covers

Purpose and technical function

The engine cover panel is dedicated to facelifted BMW 3 Series models of the E90, E91, E92, and E93 generations, equipped with the N47N diesel engine. The component operates in the front zone of the engine bay, where it is responsible for covering the upper part of the power unit and its associated timing and valve components.

As a part from the Tappet and valve covers category, the product helps reduce the impact of contaminants, moisture, and temperature fluctuations on mechanical elements, which promotes stable operation of the diesel unit and makes it easier to keep the engine bay clean.

Benefits of use in the N47N diesel engine

Diesel engines operate under specific thermal conditions and generate characteristic vibrations, which is why a properly fitted cover is important for both protection and vehicle comfort. Using this cover in the N47N unit allows you to:

• increase protection of the upper part of the engine against dust, oil, and small contaminants,
• organize the routing of cables and auxiliary components in the front part of the bay,
• reduce the transmission of the diesel unit's operating noise into the vehicle interior,
• maintain a consistent, factory look of the facelifted BMW engine bay.

Thanks to its fitment for the specific diesel drive configuration, the cover works with the exhaust gas recirculation system and other components typical of modern diesel engines without interfering with their operation.

Mounting characteristics and fitment

The component has been designed with factory mounting points in the front part of the engine bay in mind, which facilitates installation and removal during service work. The design intended for the specific facelifted BMW 3 Series generation ensures proper fitment with other covers and components of the N47N unit.

As a used part, the cover retains its original geometry and mounting layout, which facilitates the trouble-free replacement of a damaged or missing cover without the need to modify other elements. This is a practical solution for post-accident repairs, power unit servicing, or restoring the vehicle to a near-factory condition.

Operation, ecology, and technical knowledge

In modern diesel units, it is not only the cover itself that plays an important role, but also the exhaust emission control systems that work with it. It is worth expanding your knowledge on how engine bay components interact with the exhaust gas recirculation system, so we encourage you to read the article EGR: what is it and why is it worth considering used EGR valves, which explains the importance of this system in diesel engines.

If you are considering a wider range of work on your car and want to consciously choose components from the secondary market, a guide on selecting used elements for modifications and repairs may also be helpful. You will find practical tips in the material Buying used car parts – the most common mistakes when choosing tuning parts, which allows you to better plan investments in BMW components.

Expanding the scope of work in the BMW engine area

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other elements from the same group, such as additional covers, shields, or components for the upper part of the unit, check the available parts in the BMW Tappet and valve covers category.