BMW F31 Rear Axle Suspension Coil Spring Left Right N/O/S Set 6851727

BMW F31 Rear Axle Suspension Coil Spring Left Right N/O/S Set is an original component from the Leaf springs and coil springs group, designed for use on the vehicle's rear axle. The set includes springs mounted on both the left and right sides, which facilitates a consistent, technically correct replacement of both elements simultaneously and restores stable driving characteristics.

Specifications and technical data

• SKU: 6851727
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6851727
• Substitutable numbers: 6851727, 33536851727
• Location on the vehicle: Rear, Right, Left
• Category: Leaf & Coil Springs

Purpose and function in the suspension

The rear suspension springs in the BMW F31 series are responsible for maintaining the correct vehicle height, carrying loads, and working with shock absorbers to dampen unevenness. The presented set is prepared for installation on both sides of the rear axle, allowing for uniform deflection characteristics and predictable vehicle behavior during braking, acceleration, and driving under load.

The placement on the vehicle covers the rear axle on the right and left sides, which allows the set to be used in a single service operation without the need to select separate elements.

Benefits of installing the spring set

Using a complete set of rear suspension springs in the BMW F31 allows you to:

• achieve consistent suspension performance on both sides of the axle,
• minimize differences in deflection and vehicle height,
• improve driving stability at higher speeds,
• increase the predictability of the car's reaction to uneven surfaces.

For the user, this means more confident handling, better vehicle control, and reduced unwanted body roll during dynamic maneuvers.

Product characteristics and fitment

The springs come from the BMW range, which ensures a design consistent with the vehicle manufacturer's factory specifications. This maintains proper suspension geometry, as well as compatibility with stock shock absorbers and other chassis components. The product is classified in the Leaf springs and coil springs category, which facilitates its identification in the context of other components responsible for load bearing and suspension flexibility.

The element is intended for installation in the rear part of the vehicle, on the left and right sides, which allows for the symmetrical restoration of the factory suspension performance without the need to use different references for each side.

Condition and service application

The offered spring set is in used condition, making it a cost-effective solution while maintaining the original manufacturer's specifications. This type of component is suitable both for standard suspension repairs after mechanical damage and for replacement resulting from operational wear of the springs on one side – using the set then helps to avoid asymmetry in the system's operation.

The product can be used in professional BMW service centers as well as in independent workshops that prioritize parts consistent with factory design solutions.

Expanding work on the BMW suspension

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

When planning larger service works within the drivetrain or suspension, it is also worth expanding your knowledge on assessing the condition of used components – you will find practical tips in the article How to buy a used car engine and not get scammed – a step-by-step guide, which helps to better understand the process of verifying parts from the secondary market.