BMW 5 Series E60 M5 S85 Rear Suspension Coil Spring Left Right N/O/S

BMW 5 Series E60 M5 S85 Rear Suspension Coil Spring Left Right N/O/S is an original suspension system component designed for use on the left and right side of the rear axle. It ensures proper body support, stable handling, and predictable vehicle behavior under road conditions typical for high-performance M versions. Thanks to the factory geometry and spring characteristics, you maintain compliance with BMW's design assumptions and the consistent operation of the entire suspension.

Specifications and technical data

• SKU: E60 M5 S85 COIL SPRING
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: E60 M5 S85 COIL SPRING
• Substitutable numbers: Coil Spring
• Location on the vehicle: Rear, Right, Left
• Category: Leaf & Coil Springs

Purpose and function in the suspension

The presented coil spring is a rear suspension component dedicated to the M5 version with the S85 engine in the 5 Series E60 body. It works in tandem with the shock absorber, being responsible for maintaining the correct body height, controlling deflection under load, and stability during acceleration and braking. Using a component consistent with the factory design allows for maintaining the stiffness, handling precision, and predictable response to axle load changes characteristic of the M5.

Vehicle placement and compatibility

The spring is designed for installation on the rear axle, on the left or right side, which facilitates the selection of parts when replacing a pair of elements simultaneously. The design corresponds to the solutions used in the sports M5 variant, ensuring that the correct suspension geometry, travel, and compatibility with standard mounts and other suspension components are maintained.

Performance characteristics and benefits of use

Using an original coil spring in the rear suspension of the M5 S85 allows for restoring the correct operating parameters of the suspension system after wear or damage to the previous element. Properly selected spring characteristics influence:

• maintaining the appropriate body height when loaded with passengers and luggage,
• driving stability at high speeds,
• even load distribution on the body and other suspension elements,
• consistent operation of assistance systems, such as ABS or traction control.

By maintaining the factory specification, you reduce the risk of unwanted changes in vehicle handling that may occur when using replacements with different characteristics.

Component condition and installation aspects

The spring comes from disassembly, which allows for economical repair while maintaining the original BMW design. Before installation, a standard workshop inspection and replacement in pairs on the axle are recommended to achieve even suspension operation. Professional installation in a specialized service center facilitates proper seating of the spring in the mounts, inspection of other suspension elements, and geometry verification after the work is completed.

When to consider replacing the rear spring

Replacing the rear spring in a BMW 5 Series E60 M5 S85 is particularly recommended when symptoms such as uneven body settling, knocking from the rear suspension, visible coil cracks, or clear height differences between the left and right side appear. Using an original element from the Leaf and coil springs group allows for restoring predictable vehicle behavior and ride comfort adequate to the sporty nature of the M5.

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

If you are wondering whether new or disassembled parts would be a better choice in your case, the article discussing the differences in costs, durability, and availability may be helpful – you can find it here: Car parts – new or used? We compare costs, quality, and durability.