BMW F20 M140i Coil Spring Set Front Rear Left Right N/O/S Motech MS+F2

BMW F20 M140i Coil Spring Set Front Rear Left Right N/O/S Motech MS+F2 is a set of factory suspension springs designed for the front and rear axles, on both the left and right sides of the BMW 1 Series F20 M140i model. The set belongs to the Leaf springs and coil springs category, ensuring consistent, predictable vehicle handling and proper body support across the entire load range. This is a solution for users who expect standard suspension characteristics and compatibility with factory chassis components.

Specifications and technical data

• SKU: F20 M140i Coil Spring Set
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: F20 M140i Coil Spring Set
• Substitutable numbers: Motech, MS+F2, M140i, BG
• Location on the vehicle: Front, Rear, Left, Right
• Category: Leaf & Coil Springs

Purpose and function in the BMW F20 M140i suspension

The presented spring set has been designed specifically for the M140i version, where the suspension operates under higher loads than in standard 1 Series variants. The springs are responsible for maintaining the correct ride height, stabilizing the vehicle during acceleration, braking, and cornering, as well as providing damping comfort in cooperation with the shock absorbers.

The set includes components for the front and rear axles, on both sides of the vehicle, which allows for a consistent replacement of the entire set and maintains uniform suspension performance. As a result, the car retains predictable reactions, and the suspension geometry can be correctly set after installation.

Set construction and benefits of installation

The spring set from the Leaf springs and coil springs category is a solution structurally matched to the factory mounts and associated components in the BMW F20 M140i. The springs work with factory seats, bump stops, and shock absorbers, which facilitates installation and reduces the risk of improper fitment.

Replacing them as a complete front/rear, left/right set allows you to:

• maintain even suspension deflection on both sides of the vehicle,
• preserve a consistent balance between comfort and stiffness,
• minimize differences in performance characteristics between old and new springs,
• prepare the car for further chassis modifications if the owner is planning subsequent tuning stages.

Application in service, repair, and tuning

The spring set for the BMW F20 M140i is suitable both for standard repairs following operational wear and for suspension upgrades aimed at more dynamic driving while maintaining factory geometry. The set is appropriate for users who want to restore factory handling properties after replacing shock absorbers, metal-rubber components, or after interventions in the chassis system.

For those interested in modifications using aftermarket components, a good source of information may be an article describing a practical approach to upgrading a car using used parts – more information can be found in the material Tuning with used parts – how to gain performance without spending a fortune.

Condition, fitment, and installation aspects

The offered set is a used item, which allows for an economical restoration of suspension efficiency while maintaining the original manufacturer's specifications. The springs are intended for installation in factory mounting points, which simplifies service work and limits the need for additional modifications.

After installation, it is recommended to perform a suspension geometry adjustment to fully utilize the set's properties and ensure even tire wear. Using the spring set on both axles promotes vehicle stability, especially in a car with a sporty character like the M140i.

Expanding work within the BMW suspension area

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