BMW 1 3 5 Series E60 LCI E81 E87 E90 Diesel N47 Dual Twin Mass Flywheel 7577479

BMW 1 3 5 Series E60 LCI E81 E87 E90 Diesel N47 Dual Twin Mass Flywheel is a component from the Flywheels and gears group, designed for BMW diesel engines. This used part allows for the technical replacement of a worn dual-mass flywheel in Diesel engine vehicles, restoring the proper operating refinement of the drivetrain.

Specifications and technical data

• SKU: 7637279-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7637279
• Substitutable numbers: 21207637279, 7637279, 21207577479, 7577479, 21207567829, 7567829, KZ
• Fuel type: Diesel
• Category: Flywheels & Flexplates

Purpose and function of the dual-mass flywheel

The dual-mass flywheel in BMW E60 LCI, E81, E87, and E90 series models is responsible for damping torsional vibrations generated by the diesel engine. A properly selected dual-mass flywheel stabilizes the operation of the crankshaft-piston system, limits the transmission of vibrations to the gearbox and drivetrain, and improves gear shifting comfort.

In Diesel units, dynamic loads are significantly higher than in gasoline engines, which is why using the appropriate dual-mass flywheel is crucial for the durability of the clutch, gearbox, and the entire drivetrain.

Benefits of using a pre-owned BMW dual-mass flywheel

Choosing a used dual-mass flywheel for a BMW allows for a technically sound repair while maintaining reasonable service costs. A properly selected component from this group:

• reduces noise and vibrations during engine idling and under load,
• decreases jerking when starting and shifting gears,
• supports smooth torque transmission to the gearbox,
• reduces the risk of premature wear of cooperating components in the drivetrain.

For users of the BMW E60 LCI, E81, E87, and E90 series, using the correct dual-mass flywheel is particularly important when driving in urban conditions, where frequent starting and gear changes place a heavy load on the clutch system.

Part selection by numbers and compatibility

Precise selection of a dual-mass flywheel in a BMW is based on the OEM part number and related interchangeable numbers. This makes it possible to match the component to a specific engine version and body generation, which minimizes the risk of installation problems and improper drivetrain operation.

Before purchasing, it is worth verifying the part's compatibility with your specific BMW model using the manufacturer's markings, service documentation, or professional technical advice. This method of selection is particularly important for components from the Flywheels and gears group, which work directly with the engine and gearbox.

Professional application in Diesel engines

The dual-mass flywheel dedicated to Diesel units in the BMW E60 LCI, E81, E87, and E90 is designed with the high torque and operating characteristics of diesel engines in mind. The appropriate design of springs and vibration dampers in this type of component allows for:

• more uniform load transmission to the gearbox,
• reduction of shock loads in the drivetrain,
• improvement of subjective driving comfort, especially at low RPMs.

A properly selected dual-mass flywheel is therefore an important element of preventive maintenance, affecting the longevity of the gearbox and the comfort of daily vehicle operation.

Service expansion within the same parts group

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

Technical support and tuning with used parts

For drivers who treat service or modifications as part of a broader project, it will be useful to read the guide on selecting used components. In the context of drivetrain upgrades and cost optimization, it is worth reading the article The best used parts for tuning your car, which discusses a practical approach to using pre-owned components in automotive projects.