AST Lowering Springs For BMW 4 M4 / M4 COMPETITION / M4 COMPETITION xDRIVE 11/2020-, Front 25 , Rear 20

The AST Lowering Springs for BMW 4 M4 / M4 COMPETITION / M4 COMPETITION xDRIVE 11/2020- are engineered to enhance your vehicle’s driving dynamics by lowering the center of gravity while maintaining a high level of comfort comparable to OEM springs. Manufactured using advanced cold-coiling technology on premium Wafios coiling machines, these springs ensure precise dimensions and consistent quality for optimal performance and durability.

Designed specifically for the front and rear suspension of your BMW—with a lowering of 25 mm at the front and 20 mm at the rear—these springs improve handling stability, reduce body roll, and contribute to a sportier stance without compromising ride comfort. The progressive spring rate design balances stiffness and flexibility, delivering enhanced road feedback and responsiveness under various driving conditions.

AST’s commitment to quality is reflected in the lifetime warranty against breaking, providing confidence in the longevity and reliability of these springs. Suitable for a wide range of applications, these lowering springs are a direct replacement for the OEM components, ensuring seamless integration with your vehicle’s suspension system and preserving its original geometry.

Lowering Specifications

• Front lowering: 25 mm
• Rear lowering: 20 mm
• Cold-coiled on Wafios machines for precision and durability
• Progressive spring rate for balanced performance and comfort
• Lifetime warranty against breaking

Compatibility

• BMW 4 M4 (from 11/2020 onwards)
• BMW M4 COMPETITION (from 11/2020 onwards)
• BMW M4 COMPETITION xDRIVE (from 11/2020 onwards)
• Direct OEM spring replacement

By choosing AST Lowering Springs, you invest in a product that meets stringent business standards for quality and reliability, ensuring your BMW performs with enhanced stability and a refined driving experience while maintaining essential comfort levels.

Unless explicitly stated otherwise, all products sold by R44 Performance Limited are designated RACE ONLY and are solely for competition or off-road use limited to racing formally sanctioned by a recognized racing organization. Any other use, including recreational off-road use, may violate local, state, and Federal laws. R44 Performance Limited does not implicitly or explicitly confirm the legality of using any products it sells on public roads; that is entirely the responsibility of the consumer.

It is the responsibility of the customer to check with all federal, state local and environmental laws before ordering and installing a product. R44 Performance Limited is not responsible for any fees, fines or costs that a customer may incur as a result of failing to check with federal, state, local or environmental laws before ordering and installing a product.

We get a large number of custom orders and requests everyday, so as a result it is not always possible for us to keep every item in stock at all times in our warehouse. If you require the item urgently please contact our sales team here to check the stock before you make your purchase.

We totally understand if you're not certain a part will be compatible with your car, so we highly recommend contacting us here with your query. Our friendly sales team will then be in touch to confirm if this part is the correct part you are looking for.

All in stock products ship the same day if ordered before 2pm GMT

For out of stock items we will contact you with an estimated wait time if not otherwise specified above.

We offer worldwide shipping on all products. If upon receiving your product you wish to return; we offer a 30-day returns policy. For our in-depth returns information please follow the link. "R44 Returns Policy

All of our products come with a standard warranty of 1-3 years. This is dependant on the type of product however. For more details please see our warranty page here.