BMW X3 E83 X5 E53 E60 E90 E92 M57N M57N2 Automatic Gearbox Flywheel 7788746

BMW X3 E83 X5 E53 E60 E90 E92 M57N M57N2 Automatic Gearbox Flywheel is an original component from the Flywheels and gears group, designed to work with the M57N engine in BMW models equipped with an automatic transmission. This used OEM component ensures proper torque transfer, stable drivetrain operation, and compliance with the manufacturer's factory requirements.

Specifications and technical data

• SKU: 7788746-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7788746
• Substitutable numbers: 11227788746, 7788746
• Gearbox type: Automatic
• Category: Flywheels & Flexplates

Purpose and compatibility

The presented flywheel is dedicated to BMW cars from the X3, X5, and 5 and 3 series families, in E83, E53, E60, E61, E90, and E92 body versions with the M57N unit and an automatic transmission. Using an original component from this group allows you to maintain the factory operating parameters of the drivetrain, reduce gearbox vibrations, and ensure proper cooperation with the torque converter.

Technical and functional characteristics

The flywheel from this series has been designed to work with an automatic transmission, where it is responsible for stabilizing crankshaft rotation and smoothly transferring power to the transmission. The OEM design guarantees:

• proper balancing for the characteristics of the M57N engine,
• proper fitment with the starter ring gear and converter,
• preservation of factory mounting points and geometry,
• consistency with the factory software controlling the automatic transmission.

As a result, this component can be used both for standard maintenance and for repairs related to vibrations, jerking during gear changes, or starting problems resulting from flywheel wear.

Application in service and modifications

A used flywheel from this group is a good choice for professional drivetrain repairs where compliance with BMW factory specifications is crucial. It works well both in service centers specializing in the brand and in independent workshops that expect predictable installation and repeatable operating parameters. It can also be used in projects where the vehicle owner wants to restore the stock operating characteristics of the engine and gearbox after previous modifications or improper repairs.

If you are interested in a broader context regarding the use of used drivetrain components in modernization projects, it is worth reading the article The best used parts for tuning your car, which discusses a practical approach to selecting second-hand components.

Benefits of using an original flywheel

Using an original flywheel in a BMW automatic transmission brings a number of practical benefits:

• Stable drivetrain operation – reduction of torsional vibrations and noise, especially noticeable when starting and changing gears.
• Factory fitment – no need for modifications, drilling, or adjustments, which shortens installation time and reduces the risk of service errors.
• Consistency with other drivetrain elements – proper cooperation with the converter, starter, and automatic transmission controller.
• Possibility of economical repair – a used OEM component allows you to reduce service costs while maintaining proper operating parameters.

Support with selection and related items

When replacing the flywheel in a BMW automatic transmission, it is worth simultaneously verifying the condition of the converter, seals, and mounting elements to avoid having to remove the gearbox again in the near future. If you are planning a comprehensive repair or modernization of the drivetrain area in your BMW and need other elements from the same group, such as gears, starter ring gears, or additional drivetrain components, check the available parts in the BMW flywheels and gears category.