BMW F12 F13 Rear Shock Absorber Damper Strut Left N/S N57Z 6798407

BMW F12 F13 Rear Shock Absorber Damper Strut Left N/S N57Z is an original suspension component designed for petrol engine models, ensuring stable handling and predictable vehicle behavior. Thanks to its factory design tailored to the F12/F13 platform, this rear axle shock absorber allows you to restore the proper damping characteristics and ride comfort consistent with BMW standards. It is a solution for users who expect consistency with factory specifications and reliable performance in daily operation.

Specifications and technical data

• SKU: 6798407
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6798407
• Substitutable numbers: 6798407, 37126798407
• Location on the vehicle: Rear, Left
• Fuel type: Petrol
• Part type: Damper
• Category: Shocks, Struts & Assemblies

Purpose and function in the BMW F12/F13 suspension

The presented item is a rear left shock absorber dedicated to the BMW 6 Series F12/F13 with a petrol engine. It is responsible for controlling the movement of the suspension spring, limiting body roll, and stabilizing the vehicle during acceleration, braking, and driving over uneven surfaces. A properly selected rear axle shock absorber is crucial for:

• maintaining tire grip on the road during dynamic driving,
• shortening braking distances by stabilizing the vehicle body,
• increasing passenger comfort when driving over bumps and speed bumps,
• reducing excessive wear of tires and suspension components.

Due to its dedicated placement on the vehicle, this shock absorber works in harmony with the geometry of the BMW F12/F13 rear axle, maintaining the factory handling characteristics.

Construction and fitment in the Shock Absorbers and Struts category

The shock absorber belongs to the Shock Absorbers and Struts group, meaning it is a component responsible for damping vibrations and operating in the vertical axis of the suspension. The design has been developed for the specific BMW platform, which ensures that it:

• fits the factory mounting points on the rear left side,
• works with stock springs and other suspension components,
• maintains the correct height and operating characteristics of the rear axle.

Such fitment reduces the need for modifications during installation and allows for consistency with other chassis components.

Performance characteristics and benefits of installation

Using this shock absorber in a BMW F12/F13 with a petrol engine helps restore predictable vehicle behavior, which is particularly noticeable at higher speeds and on uneven surfaces. The main benefits include:

• more stable handling during lane changes and cornering,
• more linear body response to road irregularities,
• reduction of the "floating" effect of the rear of the vehicle,
• better cooperation with safety systems such as ABS or traction control.

The component comes from the original BMW line, which helps maintain the factory character of the car without interfering with the suspension design.

Condition of the component and installation aspects

The shock absorber is offered as a used part, which is a reasonable compromise between cost and maintaining the manufacturer's original specifications. For the best results, installation in a specialized workshop is recommended, along with an inspection of other rear axle components (springs, mounts, bushings) and suspension geometry after replacement. Replacing a shock absorber on one side is often combined with checking the component on the opposite side to maintain even damping characteristics.

Related suspension components and further reading

As part of comprehensive chassis maintenance, it is also worth paying attention to other suspension components, such as control arms or stabilizers, which work with shock absorbers and affect safety and ride comfort. To better understand the relationships between these elements and learn practical service tips, read the article: Suspension system – a comprehensive guide to shock absorbers, control arms, and stabilizers.

If you are planning a comprehensive repair or upgrade of the rear axle suspension area in your BMW and need other items from the same group, such as front shock absorbers, complete struts, or additional mounting hardware, check the available parts in the BMW Shock Absorbers and Struts category.

If you want to expand your knowledge on making informed choices regarding aftermarket parts and dispel doubts about the durability and cost-effectiveness of such solutions, the following article may be helpful: Used car parts: Myths and facts you need to know.