BMW E60 E87 E90 E91 M47N2 Diesel Engine Acoustic Cover Rear 7789009

Visual condition of the part

The product shows signs of use visible in the photos.

BMW E60 E87 E90 E91 M47N2 Diesel Engine Acoustic Cover Rear is an original component designed for diesel units, which helps reduce engine noise and organize the engine bay space. Thanks to its precise fit for the specific M47N2 engine generation and its rear placement, the cover effectively supports acoustic comfort and the stability of the engine housing in your BMW. It is a practical solution for users who want to maintain the factory operating characteristics of the powertrain and ensure proper soundproofing.

Specifications and technical data

• SKU: 7807249-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7807249
• Substitutable numbers: 11147807249, 7807249, 11147789009, 7789009, 1438971
• Location on the vehicle: Rear
• Fuel type: Diesel
• Category: Other Engine Parts

Purpose and function of the acoustic cover

The presented rear acoustic cover has been designed for Diesel engines from the M47N2 family used in BMW E60, E87, E90, and E91 series models. Its main task is to reduce noise and vibrations transmitted from the powertrain to the cabin and the vehicle's surroundings, as well as to protect the rear part of the engine from contaminants in the engine bay.

Placement in the rear zone of the powertrain allows for better isolation of critical auxiliary components, which promotes stable engine operation and improves the overall comfort of using the car in daily operation.

Construction, installation, and fitment

The cover is factory-profiled for specific BMW powertrains, ensuring a precise fit to the rear part of the engine. The design is intended to work with original mounting points, which facilitates installation and removal during service work, such as inspections, component replacement, or diagnostics.

The element is intended for installation in the rear part of the engine bay ("Rear" placement), which allows for effective sealing of the diesel unit's acoustic housing. Proper attachment of the cover helps reduce resonances and unwanted sounds that may occur at higher engine speeds or under load.

Benefits of using an original cover in a diesel engine

In diesel engines, proper soundproofing is particularly important, which is why using a dedicated acoustic cover brings measurable benefits:

• reduced noise levels in the cabin during acceleration and highway driving,
• a more organized engine bay, which facilitates service work,
• better protection of the rear part of the unit against dust and fine contaminants,
• maintaining the consistency of the factory acoustic housing in BMW models with the M47N2 engine.

For workshops and users, this means more comfortable operation and easier maintenance of the vehicle in good technical condition, without the need for universal solutions.

Condition, origin, and service application

The cover comes from the BMW range and is an item from the Other category, meaning it complements key engine components while having a real impact on its operating refinement. As a used OEM part, it retains its factory geometry and mounting method, which is particularly important for post-accident repairs, replacing damaged housing elements, or restoring the car to a condition close to the original.

Such a solution is often chosen by professional workshops that want to combine factory fitment with reasonable repair costs, without sacrificing the original design intended by the manufacturer.

Support with selection and additional information

Before purchasing, it is worth verifying the compatibility of the cover with your specific engine and body version using data such as the OEM part number, available interchangeable numbers, or manufacturer markings. This ensures that the element will work correctly with the powertrain and existing housing in your car.

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 shields, covers, or additional housing components, check the available parts in the Other BMW category.

For users interested in comparing the characteristics of various sports powertrains and the impact of engine design and accessories on performance and durability, our blog article may be helpful: Audi RS vs other models – what is hidden under the hood and chassis?.

If you want to learn how using used OEM elements – such as acoustic covers or other engine bay components – can shorten vehicle downtime in the workshop and optimize costs, check out our guide: Availability of car parts off-the-shelf vs repair time – how do used OEM parts shorten workshop stays?.