BMW F20 F21 F30 F31 N13 Petrol Gearbox Support Holder Carrier Mount 6788825

BMW F20 F21 F30 F31 N13 Petrol Gearbox Support Holder Carrier Mount is a factory drivetrain component designed for BMW 1 and 3 Series models with a petrol engine. It is responsible for providing stable, controlled support for the gearbox, working in conjunction with Engine mounts to limit unwanted drivetrain vibrations. This is a practical solution for users looking to restore the proper operation of the drivetrain after a collision, repair, or modification.

Specifications and technical data

• SKU: 6788825
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6788825
• Substitutable numbers: 6788825, 22326788825
• Fuel type: Petrol
• Category: Engine Mounts

Purpose and function in the drivetrain

The gearbox support mount in this version has been designed specifically for N13 petrol units in BMW F20, F21, F30, and F31 bodies. Its task is to transfer loads from the gearbox housing to the vehicle structure, while interacting with vibration-damping elements in the engine and transmission area.

A correctly selected and installed support mount:

• ensures a stable position of the gearbox relative to the body,
• limits uncontrolled movements of the drivetrain during acceleration and engine braking,
• supports the operation of components from the Engine mounts category, improving driving comfort,
• reduces the risk of excessive load on joints and drivetrain components.

Benefits of using an original BMW support mount

The original BMW gearbox support mount is designed for specific bodies and petrol engines, which translates into precise fitment to mounting points and the correct geometry of the entire system. As a result:

• the factory drivetrain performance characteristics and vibration levels are maintained,
• the risk of stress in the gearbox housing and on engine mounts is minimized,
• installation is predictable, without the need for structural modifications.

A pre-owned aftermarket component allows for an economical repair while maintaining the original BMW design and compatibility with factory solutions in a given model.

Condition, installation, and service application

The presented support mount comes from disassembly and is intended for reinstallation in BMW vehicles with a petrol engine where restoring the factory gearbox support system is required. This type of component is particularly useful for:

• replacing a damaged mount after a collision or impact to the undercarriage,
• repairs related to excessive vibrations and noise in the cabin,
• comprehensive maintenance of the engine and gearbox area in intensively used vehicles.

By maintaining the original geometry of the support mount, it is possible to restore the correct alignment of the drivetrain relative to the body, which is important for both the durability of mechanical components and user comfort.

Integration with the engine and gearbox system

The support mount works directly with the vehicle's load-bearing structure and components responsible for damping vibrations in the drivetrain area. In the case of Petrol engines in the BMW F20, F21, F30, and F31, a correctly installed gearbox mount has a significant impact on:

• smooth gear shifting,
• reduction of resonances transmitted to the bodywork,
• stability of the system during dynamic driving.

Selecting the right support mount for a specific engine-body configuration is crucial for maintaining the parameters intended by the manufacturer and avoiding issues with improper component fitment.

Related components and technical knowledge

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 mounts, support elements, or supplementary vibration dampers, check the available parts in the BMW Engine mounts category.

To better understand the importance of proper installation of components in the drivetrain area and the impact of original parts from disassembly on durability and comfort, it is worth reading the guide on electronics and comfort systems in the 3 and 5 Series: Driving pleasure for years – how to take care of iDrive systems and electronic modules in BMW 3 and 5 Series models using parts from disassembly?