BMW 1 2 3 Series F20 F21 F30 Vibration Absorber 48 HZ 6862878

The BMW F20 F21 F30 F31 Rear Vibration Damper is a component from the Shock Absorbers and Struts category, designed for the rear suspension. It is responsible for reducing unwanted vibrations, which translates to more stable handling, better tire contact with the road, and more predictable behavior of the BMW car in everyday use.

Specifications and technical data

• SKU: 6862878
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 3412864
• Substitutable numbers: 33306862878, 6862878
• Location on the vehicle: Rear
• Category: Shocks, Struts & Assemblies

Purpose and Function in BMW Suspension

The vibration damper mounted at the rear of the vehicle works in conjunction with the shock absorbers and other suspension components, limiting the transfer of vibrations from the body to the drivetrain. In BMW models of the F20, F21, F30, and F31 series, it is particularly important for:

• increasing driving stability at higher speeds,
• reducing vibrations felt in the cabin,
• improving the performance of shock absorbers and struts in the rear axle,
• maintaining the proper handling characteristics typical of BMW.

Thanks to appropriately selected damping parameters, this component helps maintain the cohesive operation of the entire suspension system, which is important for both driving comfort and safety.

Construction and Fitment for the Rear Axle

The presented vibration damper is structurally prepared for installation in the rear of the vehicle, in line with BMW's original suspension concept. Its placement on the vehicle, designated as rear, ensures proper cooperation with the rear shock absorbers and struts, without interfering with the suspension geometry.

The component is part of the original BMW line, meaning it retains factory mounting points and is compatible with the structural solutions intended for these models. Such a fitment reduces the risk of incorrect installation and eliminates the need for modifications.

Product Condition and Service Application

The vibration damper is offered as a used part, allowing for an economical repair of the suspension system while maintaining the original manufacturer's specifications. This is a practical solution in situations where:

• additional vibrations are occurring at the rear of the vehicle,
• a deterioration in driving comfort is felt despite functional shock absorbers,
• the component needs replacement after a collision or mechanical damage.

Replacing a worn vibration damper with an original equivalent helps restore predictable vehicle behavior without altering the suspension characteristics from the factory settings.

Benefits of Using an Original BMW Vibration Damper

Using a dedicated vibration damper on the rear axle brings a number of tangible operational benefits:

• Improved vehicle stability – reducing uncontrolled vibrations leads to more confident handling, especially on uneven surfaces.
• Cohesive operation of shock absorbers and struts – the component supports the proper functioning of other suspension components, promoting even wear.
• Enhanced driving comfort – reducing vibrations transmitted to the body minimizes driver and passenger fatigue on longer journeys.
• Preservation of BMW driving character – the original design allows for maintaining the factory driving feel, without undesirable changes in suspension dynamics.

More About BMW Shock Absorbers and Struts

If you are looking for other BMW Shock Absorbers and Struts for your car, check out the BMW shock absorbers and struts available in our store to select suspension components tailored to your specific model.

Want to better understand how a vibration damper works with other suspension components? Read our guide “Suspension System – A Comprehensive Guide to Shock Absorbers, Control Arms, and Stabilizers”, where we discuss practical aspects of suspension diagnostics and operation in popular BMW, Mercedes, and Audi models.