BMW 1 3 Series F20 F21 LCI F30 F31 B47 Engine Acoustic Foam Cover 8513137

The BMW F20 F21 LCI F30 F31 B47 Engine Sound Deadening Acoustic Foam Cover is a factory part from the Miscellaneous category, specifically designed for the B47 engine bay in popular post-facelift BMW 1 and 3 Series models. Appropriately selected acoustic foam helps reduce engine noise transfer into the cabin, improving acoustic comfort and driving refinement.

Specifications and technical data

• SKU: 8513137
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8513137
• Substitutable numbers: 11148513137, 8513137, 11148490413, 8490413
• Tire profile: 65535
• Category: Other Engine Parts

Purpose and Function of the Acoustic Cover

The presented BMW engine acoustic foam serves as sound deadening and an additional cover for the engine bay in F20, F21 LCI, and F30, F31 models with the B47 engine. This component reduces the noise level generated by the running engine and also limits vibration transfer to the body.

Thanks to the use of a dedicated acoustic cover, you achieve:

• a more subdued engine sound,
• better acoustic comfort inside the vehicle,
• protection of engine surfaces from minor contaminants in the bay.

Construction and Fit for BMW F20 F21 LCI F30 F31 B47

The foam has been designed for specific body styles and engines, which translates to precise fitment in the engine bay. The shape and thickness of the material are chosen to work with factory mounting points and plastic and metal covers in the engine bay.

The appropriate density and structure of the acoustic foam allow for effective noise damping in the frequency range typical for the B47 engine, without interfering with the engine or its accessories.

Benefits of Using Genuine Acoustic Foam

Using dedicated engine sound deadening in BMW F series vehicles brings a range of practical operational benefits:

• Driving Comfort – reduced engine noise, particularly noticeable during acceleration and high-RPM driving.
• Structural Consistency – a part designed for a specific platform, eliminating the need for modifications or fitting universal mats.
• Engine Bay Aesthetics – a tidy appearance of the space under the hood, consistent with the factory BMW standard.

Part Condition and Service Application

The cover belongs to the Miscellaneous group but plays an important role in the vehicle's acoustic comfort system. It is suitable for replacing damaged or missing sound deadening, as well as for restoring the car to a factory-like configuration after body and mechanical repairs.

Selecting the correct acoustic foam is particularly important for cars with the B47 engine, where proper noise damping affects the subjective perception of engine performance and the overall impression of the car.

Other BMW Parts – Miscellaneous Category

If you are looking for other parts from the Miscellaneous BMW category tailored to your model, check out our dedicated offer at Miscellaneous BMW, where you will find a wide selection of components to complement the engine bay and bodywork.

Technical Knowledge and Powertrain Development

If you are interested in comparing technical solutions in various sports car designs, including the construction of engines, braking systems, and chassis, it's worth checking out the article Audi RS vs. Other Models – What Lies Under the Hood and Chassis?, which shows how premium manufacturers differentiate their top versions from standard models.