BMW F20 F21 Z4 E89 Vibration Damper Crankshaft Pulley 7597422

BMW F20 F21 Z4 E89 Vibration Damper Crankshaft Pulley is a component from the Crankshafts group, designed to work with the N20 engine in selected BMW models. It is responsible for reducing torsional vibrations of the crankshaft, improving engine refinement and driving comfort. This used OEM component is a sensible choice for drivers looking for a technically matched solution at an attractive price.

Specifications and technical data

• SKU: 7597422
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7597422
• Substitutable numbers: 11237597422, 7597422, PK
• Category: Crankshafts

Purpose and function of the vibration damper

The vibration damper in the N20 engine plays a key role in stabilizing the operation of the crankshaft. Its task is to limit torsional vibrations generated during load changes, which translates into:

• more uniform operation of the power unit,
• reduction of loads transferred to the crankshaft and accessories,
• reduction of noise and vibrations felt in the cabin,
• smoother transfer of torque to the drivetrain.

A properly selected vibration damper supports the durability of components from the Crankshafts group, which is particularly important in modern, high-output turbocharged units such as the N20.

Compatibility with BMW models

The presented vibration damper is intended for use in selected versions of the BMW 1 Series F20/F21 and the Z4 E89 roadster with the N20 engine. This means it has been structurally matched to the characteristics of this power unit and the crankshaft system used by BMW in this generation.

As a result, the user receives a component designed for specific models, which facilitates installation and ensures proper cooperation with the crankshaft and other auxiliary drive components.

Characteristics of the used OEM component

The offered vibration damper is a used part, originating from the original BMW system. In practice, this means:

• preservation of factory geometry and fitment to the crankshaft,
• compliance with factory assembly standards,
• the possibility of an economical replacement of a worn component without the need to invest in a new subassembly.

A used OEM component is often chosen for maintenance repairs when the priority is to combine technical correctness with control over service costs.

Benefits of replacing the vibration damper in the N20 engine

Replacing a worn vibration damper with a functional one has a direct impact on the perceived comfort and safety of vehicle operation. A properly functioning damper can:

• limit the risk of excessive crankshaft loads,
• reduce the transmission of vibrations to engine accessories,
• improve the subjective feeling of engine smoothness,
• support long-term, stable operation of the crankshaft system.

For users of the BMW F20, F21, and Z4 E89 with the N20 engine, this is a practical way to restore proper engine refinement without interfering with the crankshaft itself.

Expanding the scope of repairs – BMW Crankshafts

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other elements from the same group, such as shafts, counterweights, or damping elements, check out the available parts in the BMW Crankshafts category.

Technical support and practical knowledge

When working on the drivetrain and vibration reduction, it is also worth paying attention to the condition of other engine subassemblies, including the cooling system, which affects the thermal stability of the unit. Additional information on operating components in high temperatures can be found in our guide Summer heat vs. cooling system: used radiators and fans as a guarantee of savings, which will help you better plan service work on your car.