BMW E63 E64 630i Petrol N52 Automatic Gearbox Flywheel Ring 7547376

BMW E63 E64 630i Petrol N52 Automatic Gearbox Flywheel Ring is an original component from the Flywheels and gears group, designed to work with the N52 petrol engine and an automatic transmission. This used OEM component allows for maintaining factory drivetrain characteristics, reducing transmission vibrations, and ensuring stable operation of the powertrain in BMW 6 Series E63/E64 models.

Specifications and technical data

• SKU: 7547376
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7547376
• Substitutable numbers: 11227547376, 7547376, 11227542911, 7542911
• Fuel type: Petrol
• Gearbox type: Automatic
• Category: Flywheels & Flexplates

Purpose and function in the drivetrain

The presented flywheel ring is an intermediate component between the crankshaft of the N52 petrol engine and the automatic transmission. Its task is to stably transfer torque, ensure proper positioning of the torque converter, and reduce unwanted torsional vibrations throughout the entire powertrain.

Thanks to its precise fit for the specific engine-transmission configuration in the BMW 6 Series E63/E64, this part supports the proper operation of the automatic transmission, facilitates smooth starting and gear shifting, and reduces the risk of improper gear engagement within the transmission.

Benefits of using an original flywheel

Using an original element from the Flywheels and gears group in a BMW drivetrain allows for maintaining the factory operating parameters of the power unit. Precise balancing and correct mounting geometry contribute to:

• stable load transfer between the engine and the automatic transmission,
• reduction of vibration and noise levels in the cabin,
• reduced wear on cooperating transmission components,
• maintaining proper operation of the starting system.

Choosing a used OEM component is particularly beneficial for maintenance repairs, where technical compatibility and control of service costs are essential.

Compatibility with petrol engine and automatic transmission

The discussed flywheel ring has been designed to work with the petrol engine and automatic transmission in the BMW 6 Series E63/E64 630i. Proper matching to the characteristics of the N52 unit and the specifics of the automatic transmission translates into:

• proper positioning of the torque converter,
• correct cooperation with the starter ring gear,
• maintaining factory starting and gear shifting parameters,
• minimizing the risk of misalignment and excessive bearing load.

As a result, the part is suitable both for standard replacement of a worn flywheel and for repairs following a transmission or engine failure, where maintaining the original specification is required.

Application in tuning and advanced repairs

Used OEM components, such as the flywheel ring for the BMW 630i, are often used not only in classic repairs but also in modernization projects where the priority is to maintain factory reliability at reasonable costs. In the case of drivetrain modifications or refreshing older 6 Series models, the original flywheel provides a solid foundation for further service and tuning work.

If you want to better plan your car's modernization and consciously choose used components, it is worth checking out the guide on our blog: The best used parts for tuning your car, where you will find practical tips on selecting and verifying such elements.

Drivetrain expansion in BMW

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 additional flywheels, cooperating gears, or intermediate drivetrain components, check out the available parts in the BMW Flywheels and gears category.