BMW F40 M135I Rear Axle Suspension Coil Sprigs Left Right N/O/S Set 6892130

BMW F40 M135i Rear Axle Suspension Springs are an original left/right set designed for the rear axle of the vehicle. Thanks to their factory-set deflection characteristics and matching the weight and geometry of the M135i model, they ensure stable handling, predictable body behavior, and proper suspension support during everyday use.

Specifications and technical data

• SKU: 6892130
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6892130
• Substitutable numbers: 6892130, 33536892130
• Location on the vehicle: Rear, Right, Left
• Category: Leaf & Coil Springs

Intended Use and Fitment for BMW F40 M135i

The rear spring set has been specifically designed for the rear axle of the BMW F40 M135i version, taking into account the loads acting on the right and left sides. The appropriate spring operating characteristics support the drivetrain in maintaining grip, improve body control during dynamic maneuvers, and preserve the factory handling characteristics typical of the M Performance series.

Installation on the vehicle covers the rear axle on both the left and right sides, allowing for a consistent replacement of both elements in a single service process. This approach minimizes the risk of suspension asymmetry and helps maintain even force distribution during braking, acceleration, and cornering.

Construction and Role in the Suspension System

Springs from the Springs and Leaf Springs group are responsible for supporting the body, maintaining the correct vehicle height, and collaborating with shock absorbers in damping vibrations. In the M135i model, they are particularly important due to the car's sporty nature, where precise steering response and high-speed stability are crucial for driver comfort and safety.

The appropriately selected stiffness of the rear axle springs affects:

• maintaining correct suspension geometry under load,
• reducing excessive body roll,
• improving traction of the drive wheels during acceleration,
• more predictable car behavior on uneven surfaces.

Performance Characteristics and Benefits of the Set

The set, including both the left and right sides of the rear axle, allows for simultaneous replacement of both springs, which is particularly beneficial for suspension service on high-performance cars like the M135i. Using a pair of elements with the same operating characteristics helps maintain even suspension deflection and consistent vehicle behavior across the entire load range.

The product comes from the BMW offering, which means maintaining factory operating parameters, assembly compatibility, and conformity with other drivetrain components. This allows the springs to be used for both accident repairs and standard operational maintenance when existing elements show signs of wear.

Condition, Installation, and Service Application

The springs are offered as used parts, allowing for economical suspension repair while maintaining the original manufacturer's specifications. This type of solution is often chosen for fleet vehicle repairs, cars used intensively, or when rebuilding a vehicle after mechanical damage to the rear axle.

During installation, it is recommended to perform the service work at a specialized workshop, using appropriate tools for spring removal and installation. After replacement, it is advisable to check the suspension geometry to fully utilize the potential of the new components and ensure even tire wear.

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

Technical Support and BMW Model Knowledge

For users who want to better understand the specifics of BMW construction and the impact of individual components on durability and operating costs, a material comparing different engines of this brand may be helpful. When planning a budget for suspension and other system servicing, it is worth reading the article BMW N47 vs M57 / M57N / M57N2 – Ranking of Legendary Diesels, which discusses performance, reliability, and the costs of used market parts.