The LESJOFORS 4008518 Front Coil Spring is engineered to provide exceptional support and stability for the front suspension of BMW X3 F25 and X4 F26 models without sport suspension. Manufactured by LESJOFORS, a company with over 150 years of experience in spring manufacturing, this coil spring ensures optimal performance by effectively absorbing shocks from uneven road surfaces, thereby maintaining vehicle balance and ride comfort. Designed specifically for BMW models without sport suspension, this coil spring ensures optimal performance by holding the weight of your car while effectively absorbing impacts from road surfaces. With a rich history of automotive suspension technology dating back to 1906, coil springs are essential for maintaining vehicle balance and ride comfort. Common symptoms of worn or damaged coil springs include vehicle sagging, uneven tire wear, excessive noise, bounce, or sway. If you're noticing these issues, it's highly recommended to replace coil springs in pairs. This is also an excellent opportunity to consider replacing related suspension components such as shocks, struts, bushings, and strut mounts. Its primary function is to support the vehicle's weight, allowing for a smooth ride by absorbing shocks from uneven road surfaces. By maintaining proper ride height and stability, it contributes to overall driving safety and comfort.