BMW E87 LCI E90 120d 320d N47 Dual Twin Mass Flywheel Clutch Kit

BMW E87 LCI E90 120d 320d N47 Dual Twin Mass Flywheel Clutch Kit is an original component from the Flywheels and gears group, designed for BMW drivetrains with the N47 engine in the 1 and 3 series. The dual-mass flywheel with clutch ensures smooth torque transmission, reduction of torsional vibrations, and stable operation of the drivetrain in daily use.

Specifications and technical data

• SKU: 7638466
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7637279
• Substitutable numbers: 21207637279, 7637279, 21207577479, 7577479, 21207567829, 7567829, 21207638466, 7638466, 2120756830121207576523, 75683017576523
• Category: Flywheels & Flexplates

Purpose and function in the drivetrain

The presented dual-mass flywheel and clutch kit has been designed specifically for use with the N47 engine in BMW E87 LCI and E90 models in 120d and 320d versions. Its task is to dampen vibrations generated by the diesel unit and stably transmit torque to the gearbox, which translates into smoother drivetrain operation and higher driving comfort.

The dual-mass flywheel, together with the clutch disc and pressure plate, reduces jerking when starting, improves idle smoothness, and decreases the load transferred to the transmission. As a result, the drivetrain is less exposed to stress, and gear changes are more predictable and controlled.

Benefits of using an original BMW component

Using an original BMW component in the drivetrain area ensures:

• precise fitment for the N47 engine and the dedicated gearbox,
• maintenance of factory performance parameters for the clutch and dual-mass system,
• consistency with factory engine and drivetrain control software,
• appropriate vibration damping characteristics across the entire RPM range.

Thanks to this, the original BMW dual-mass flywheel helps maintain proper vehicle behavior during acceleration, downshifting, and driving at low engine speeds, which is particularly important in modern diesel units.

Component condition and service application

The offered subassembly comes from the used BMW parts group, which allows for cost-effective drivetrain repair while maintaining the manufacturer's original specifications. This type of solution is often chosen for comprehensive service work, such as clutch replacement or eliminating excessive vibrations or noises coming from the gearbox area.

The dual-mass flywheel with clutch is particularly useful in situations where symptoms such as jerking when starting, noticeable vibrations on the clutch pedal, or metallic sounds when changing loads occur. Replacing the complete assembly allows for restoring proper system operation and limiting the risk of secondary damage to other drivetrain components.

Application in tuning and modifications

For users planning N47 engine software modifications or mild torque tuning, a functional dual-mass flywheel and clutch kit is crucial for maintaining drivetrain durability. Stable transmission of increased load to the gearbox reduces the risk of clutch slippage and excessive wear of transmission components.

If you are interested in the broader context of using used components in modifications, it is worth reading an article describing how to consciously select such elements for tuning projects – you can find it here: The best used parts for tuning your car.

Additional information and related materials

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 timing gears, additional flywheels, or elements cooperating with the clutch system, check the available parts in the BMW flywheels and gears category.

In case of broader interest in the topic of original, used components for popular models, our guide to the most frequently chosen parts may also be helpful – more information can be found in the material: The best used car parts – a guide to the most frequently chosen original parts.