BMW E38 Flywheel 728i M52 Petrol Ring Gear Manual Gearbox 7512474

BMW E38 Flywheel 728i M52 Petrol Ring Gear Manual Gearbox is an original component from the Flywheels and ring gears group, designed for petrol units with a manual transmission. This solution allows you to restore the proper operation of the drivetrain, reduce torsional vibrations, and improve the refinement of the M52 engine in your BMW E38 728i.

Specifications and technical data

• SKU: 7512474
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7512474
• Substitutable numbers: 7512474, 21217512474, 7509078, 21217509078, 1223610, 21211223610, 7501379, 21217501379, 7508556, 21217508556, 7508456, 21207508456
• Fuel type: Petrol
• Gearbox type: Manual
• Category: Flywheels & Flexplates

Purpose and function in the drivetrain

The presented dual-mass flywheel set has been designed specifically for the M52 petrol engine paired with a manual transmission. The dual-mass flywheel plays a key role in damping vibrations generated by the power unit, which translates into more stable idle operation, smoother starting, and more comfortable gear shifting.

Thanks to carefully selected spring and torsional damper characteristics, the flywheel relieves the transmission components, reducing shock loads and cabin noise. This is particularly important in BMW E38 class vehicles, where high drivetrain refinement is expected.

Benefits of using an original BMW dual-mass flywheel

Using an original solution from the Flywheels and ring gears group ensures proper compatibility with the characteristics of the M52 engine and the manual transmission. In practice, this means:

• more stable engine idle at low speeds,
• reduced vibrations transmitted to the body and the gear shifter,
• lower load on synchronizers and transmission bearings,
• more predictable drivetrain behavior during dynamic driving.

For the user, this translates into higher driving comfort, better vehicle control, and a reduced risk of premature wear of other drivetrain components.

Technical specifications and installation

The dual-mass flywheel in this set is structurally adapted to work with a petrol engine and a manual transmission, which guarantees compliance with factory BMW solutions. The component is intended for installation in place of the factory flywheel, maintaining the original geometry and mounting points.

During replacement, it is recommended to:

• check the condition of the clutch (disc, pressure plate, release bearing),
• verify the tightness of the crankshaft seals,
• check the condition of the transmission mounts and engine mounts.

This approach allows you to fully utilize the potential of the newly installed dual-mass flywheel and reduce the need for further intervention in the system in the near future.

Product condition and practical application

The offered component is in used condition, making it an attractive cost-effective alternative while maintaining the original BMW specification. For owners of E38 728i models with the M52 engine, this is a solution that allows you to restore proper drivetrain operation without having to sacrifice the factory driving characteristics.

The dual-mass flywheel is of particular importance in cars used both in city traffic and on the highway – the reduction of jerking when starting and smoother gear transitions affect the comfort of the driver and passengers, as well as the subjective feeling of engine power and flexibility.

System expansion and additional resources

If you are planning a comprehensive repair or upgrade of the engine and drivetrain area in your BMW and need other components from the same group, such as additional flywheels, mating ring gears, or related torque transmission elements, check out the available parts in the BMW Flywheels and ring gears category.

If you are considering using used components in modernization or performance improvement projects, 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 safely using such solutions.

For older models, such as the BMW E38, the article describing repair strategies when new parts are limited may also be helpful: No parts at the dealership? How to handle repairs of older models using salvaged parts, which shows how to effectively use proven components from the secondary market.