What is the main benefit of installing these lowering springs?

These springs lower your BMW 4 Series' center of gravity by about 40mm front and rear. This change can improve handling and give your car a more aggressive stance while aiming to keep the ride comfortable.

Are these springs a direct fit for my BMW 4 Series?

Yes, these springs are intended as a direct replacement for the OEM springs on specific BMW 4 Series (G26) 420D/430D xDrive models from July 2021. They are designed to fit your existing suspension components.

What kind of warranty comes with these lowering springs?

AST provides a lifetime warranty against breaking for these lowering springs. This ensures you have protection against manufacturing defects for the life of the product.

Specifications

Brand: AST
Part #: ASTLS-22-306
UPC: ASTLS-22-306

AST 07/2021- BMW 4 Lowering Springs - 40mm/40mm

Name: AST 07/2021- BMW 4 Lowering Springs - 40mm/40mm
Brand: AST
SKU: ast-ast-07-2021-bmw-4-lowering-springs-40mm-40mm-t14-707588
Price: 381.50 USD
Availability: BackOrder

$381.50

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

AST Lowering Springs for BMW 4 Series (G26) 2021-. Lowers vehicle 40mm/40mm for improved handling while maintaining comfort. Direct replacement.

Key Features

Fits BMW 4 Series (G26) 420D/430D xDrive models from 07/2021 onward.
Lowers the vehicle's center of gravity by approximately 40mm front and 40mm rear.
Designed as a direct replacement for OEM springs.
Cold-coiled on Wafios coiling machines from premium materials.
Features a progressive spring design for a balance of ride comfort and performance.
Backed by a lifetime warranty against breaking.

These AST Lowering Springs are designed for BMW 4 Series (G26) 420D/430D xDrive models produced from July 2021 onward.

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About this part

Product Details

This product includes a set of AST Lowering Springs specifically designed for the BMW 4 Series (G26) 420D/430D xDrive models produced from July 2021 onwards. These springs are engineered to reduce your vehicle's center of gravity, which can lead to improved handling characteristics, without sacrificing the comfortable ride you expect from your original equipment. They are a direct replacement for your stock springs, meaning they are built to fit right into your existing suspension setup.

Crafted using advanced Wafios coiling machines, these springs are cold-coiled from premium materials for durability. Their progressive design aims to strike a balance between lowering the vehicle's stance and enhancing its performance capabilities. AST backs these springs with a lifetime warranty against breaking, offering solid peace of mind for your investment.