Automatic Gearbox Sound Insulation BMW F20 F21 F22 F30 F31 N55 Petrol 7616463

Automatic Gearbox Sound Insulation BMW F20 F21 F22 F30 F31 N55 Petrol is an original acoustic shield designed for BMW models with N55 petrol engines and automatic transmissions. This component effectively reduces noise and vibrations transmitted from the gearbox to the cabin, improving acoustic comfort and the refinement of the powertrain. Thanks to its factory-precise fit for specific body versions of the 1 and 3 Series, installation is accurate and predictable, ensuring the overall assembly remains consistent with the vehicle's original construction.

Specifications and technical data

• SKU: 7616463
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7616463
• Substitutable numbers: 7616463, 24147616463
• Fuel type: Petrol
• Gearbox type: Automatic
• Category: Automatic Transmission Parts

Purpose and Function in the Powertrain

The presented acoustic shield operates in close proximity to the automatic gearbox, creating a barrier that dampens the sounds generated by the transmission during acceleration, gear changes, and constant speed driving. Its application in BMW cars with N55 petrol engines allows for better isolation of the cabin from the noises of the drivetrain, resulting in more comfortable travel conditions, especially at higher engine speeds.

Thanks to a design compliant with BMW's factory standards, the shield integrates with the mounting elements and accessories of the automatic transmission without interfering with the geometry or routing of cables or wiring harnesses. This solution is particularly beneficial for repairs where maintaining the vehicle's original acoustic characteristics is a priority.

Benefits of Using an Original Acoustic Shield

The application of this shield in F20, F21, F22, F30, and F31 series cars with an automatic transmission and N55 petrol engine offers a range of practical benefits:

• Noise reduction originating from the operation of the automatic gearbox, particularly in the medium and higher RPM ranges.
• Improved isolation of vibrations transmitted from the gearbox to the body, enhancing the subjective perception of ride quality.
• Maintenance of consistency with BMW's factory powertrain design, eliminating the need for universal solutions.
• Support for the stable operation of components located near the gearbox by preserving the manufacturer's intended enclosure.

The choice of an original BMW automatic gearbox acoustic shield is particularly recommended for repairs after collisions, gearbox replacements, or when restoring factory acoustic comfort after previous modifications.

Installation Characteristics and Fitment

The shield has been designed for specific BMW 1 and 3 Series platforms, ensuring a precise fit to the chassis contours and the automatic gearbox housing. This means:

• mounting points align with factory brackets in the body,
• no structural modifications or forceful adjustments of the part are required,
• appropriate clearance from hot powertrain components is maintained.

This solution simplifies the mechanic's work, reduces installation time, and minimizes the risk of incorrect shield positioning that could affect noise damping effectiveness.

Application of Used Parts in BMW Service

The presented component comes from the Automatic Transmission Parts group, meaning it is designed to operate in a demanding thermal and mechanical environment. Choosing a used, original acoustic shield offers a sensible compromise between repair cost and maintaining factory ride comfort parameters. This type of component is particularly useful for:

• comprehensive replacement or overhaul of the automatic gearbox,
• repairs after mechanical damage in the chassis area,
• restoring original sound insulation after the removal of previous components.

If you are planning a comprehensive repair or upgrade of the drivetrain area in your BMW and require other parts from the same group, such as covers, mounts, or additional soundproofing elements, check the available parts in the BMW Automatic Transmission Parts category.

Technical Support and Parts Selection

When undertaking repairs related to the chassis, drivetrain, and body components, it is advisable to consult reliable sources of information. If you are interested in how to safely and economically use dismantled parts for bodywork and mechanical repairs, refer to the article Body and Chassis – Accident Repairs Using Dismantled Parts, which provides practical tips on selecting original used components.

Additionally, to better plan your purchases and discover the most frequently chosen original used parts for popular models, you can consult the guide Best Used Car Parts – A Guide to the Most Frequently Chosen Original Parts. This will allow you to consciously select an automatic gearbox acoustic shield that suits your BMW's specifics and your desired level of driving comfort.