BMW F20 Rear Axle Suspension Coil Spring Left Right N/O/S Set 6851724

BMW F20 Rear Axle Suspension Coil Spring Left Right N/O/S Set is an original set of suspension components designed for the rear axle, prepared to maintain the factory handling characteristics of your BMW. Using dedicated springs for the rear, right and left sides, helps maintain proper suspension geometry, body stability, and predictable vehicle behavior during daily use. This is a solution for users who want to restore suspension performance in a technically correct and consistent manner.

Specifications and technical data

• SKU: 6851724
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6851724
• Substitutable numbers: 6851724, 33536851724
• Location on the vehicle: Rear, Right, Left
• Category: Leaf & Coil Springs

Purpose and function in the suspension system

The presented set of springs is a component of the rear axle suspension system, responsible for maintaining the correct vehicle ride height and controlling suspension deflection while driving. Using a set for both sides of the rear axle ensures consistent vehicle behavior under load, during braking, and in corners. The springs work in conjunction with the shock absorbers to create a stable system that influences ride comfort, grip, and effective force transfer to the road surface.

Construction and fitment for BMW

The springs in this set have been designed specifically for the BMW F20 platform, taking into account vehicle weight, load distribution, and the handling characteristics typical of this series. The appropriately selected stiffness and working travel of the springs allow for proper support of the rear axle, without unwanted body "floating" or excessive deflection under full load. Precise fitment to the specific model reduces the risk of incorrect body position and uneven wear of other suspension components.

Vehicle placement and installation aspects

The set includes springs intended for installation on the rear axle, on the right and left sides. This solution allows for the simultaneous replacement of both elements, which is recommended from the perspective of uniform suspension operation and safety. In practice, installation involves removing the old springs, inspecting the seats and mating components, and then installing the new set in accordance with the vehicle manufacturer's service procedures. Simultaneous replacement on both sides helps avoid differences in deflection and improves the predictability of the car's reactions.

Application in the Leaf and coil springs category

The product belongs to the Leaf and coil springs group, which are components responsible for carrying loads and damping road irregularities. Replacing worn springs with a proven set helps reduce phenomena such as "sagging" of the rear of the vehicle, deterioration of ride comfort, or improper operation of stability assistance systems. This is particularly important in cars used with heavier trunk loads or frequent transport of passengers in the back seat.

Condition and benefits of choosing an original set

The offered set comes from disassembly and is intended for users looking for a reasonable compromise between cost and maintaining factory suspension characteristics. Choosing original springs from the same design group, rather than random replacements, promotes the maintenance of predictable handling and correct interaction with other rear axle components. This is a solution that allows you to restore proper suspension performance in an economical and technically justified way.

If you are planning a comprehensive repair or upgrade of the rear axle suspension area in your BMW and need other elements from the same group, such as additional springs, leaf springs, or suspension support elements, check out the available parts in the BMW Leaf and coil springs category.

For drivers interested in a broader context of using dismantled parts in premium cars, including the impact on service costs and operational safety, an article describing a practical approach to servicing luxury cars may be helpful – you can find it here: Luxury within reach – how to service a legendary Porsche brand using proven used parts.