BMW F30 Rear Coil Spring Suspension Set Left Right N/O/S 6851725

BMW F30 Rear Coil Spring Suspension Set Left Right N/O/S is an original set of suspension components designed for the rear axle, prepared for installation on both the left and right sides. The set belongs to the Leaf and coil springs category, ensuring consistent, predictable suspension behavior and stable vehicle handling. This is a solution for users expecting precise fitment and the maintenance of the factory performance characteristics of the BMW rear suspension.

Specifications and technical data

• SKU: 6851725
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6851725
• Substitutable numbers: 6851725, 33536851725
• Location on the vehicle: Rear, Right, Left
• Category: Leaf & Coil Springs

Purpose and vehicle placement

The presented set of springs is designed for installation on the rear axle of the vehicle, with dedicated placement for the left and right sides. This solution allows for maintaining even body support and proper suspension geometry, which translates into stability during acceleration, braking, and cornering. Simultaneous replacement of springs on both sides minimizes the risk of deflection differences and improves the predictability of the car's reactions.

Technical and functional characteristics

The rear springs in this set operate in the suspension system as an element responsible for maintaining ride height and controlling suspension deflection under load. The appropriately selected stiffness characteristics allow for:

• maintaining the correct body position relative to the vehicle's axles,
• reducing excessive body roll in corners,
• stable behavior during changes in trunk and rear cabin load,
• consistent operation with other suspension system components.

By using components from the Leaf and coil springs category, compatibility with the factory BMW suspension design is maintained, which facilitates installation and subsequent operation.

Benefits of using original BMW springs

Choosing original suspension springs for a BMW translates into a number of practical benefits in everyday driving. The most important include:

• Factory fitment – the springs are designed for a specific platform, which ensures proper cooperation with shock absorbers and other suspension elements.
• Repeatable performance characteristics – the car's behavior remains consistent with the manufacturer's specifications, without unwanted changes in comfort or handling.
• Hassle-free installation – the design intended for the rear axle on the left and right sides limits the need for modifications and shortens service time.

A set configured in this way is particularly recommended when replacing worn-out suspension elements, when the goal is to restore the vehicle's original driving properties without experimenting with non-original solutions.

Condition of elements and service application

The springs come from the used BMW parts segment, which allows for economical repair while maintaining the original manufacturer's specifications. Such components are often chosen in situations where it is necessary to replace a pair of springs on the rear axle, and the priority is compliance with the factory suspension design and rational service maintenance costs.

Expanding BMW suspension upgrades

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 related suspension components, check out the available parts in the BMW Leaf and coil springs category.

For drivers interested in a broader approach to vehicle maintenance, including charging systems and electrical fault diagnostics, a practical guide on selecting used components may be helpful – you can find it in the article When is it worth replacing an alternator with a used one: a practical guide for drivers.