What is the drop amount for these AST lowering springs?

These AST lowering springs are designed to provide a 40mm drop at the front and a 40mm drop at the rear of your BMW 4 Series.

What makes these springs different from stock?

These springs are cold-coiled and feature a progressive design that aims to lower your vehicle's center of gravity for improved performance while still offering a comfortable ride, similar to your original springs.

What does the lifetime warranty cover?

AST offers a lifetime warranty on these lowering springs that covers breaking. This ensures you have peace of mind with your suspension upgrade.

Specifications

Brand: AST
Part #: ASTLS-22-122
UPC: ASTLS-22-122

AST 07/2020- BMW 4 Lowering Springs - 40mm/40mm

Name: AST 07/2020- BMW 4 Lowering Springs - 40mm/40mm
Brand: AST
SKU: ast-ast-07-2020-bmw-4-lowering-springs-40mm-40mm-t14-707575
Price: 364.10 USD
Availability: BackOrder

$364.10

On Backorder

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

AST 07/2020- BMW 4 Lowering Springs - 40mm/40mm. Lowers your vehicle's center of gravity while keeping a comfortable ride.

Key Features

Set of AST Lowering Springs for BMW 4 Series (07/2020+).
Lowers vehicle center of gravity by 40mm front and 40mm rear.
Designed to preserve ride comfort similar to OEM springs.
Cold-coiled on Wafios coiling machines for a well-built component.
Progressive spring design balances lowering and performance.
Includes a lifetime warranty against breaking.

These AST lowering springs are specifically designed for BMW 4 Series models manufactured from July 2020 onwards. Please verify compatibility with your specific vehicle's year and model.

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About this part

Product Details

This set includes AST Lowering Springs designed to reduce your BMW 4 Series' center of gravity. They are built to replace your original equipment manufacturer (OEM) springs directly, aiming to maintain a comfortable ride similar to stock.

These springs are cold-coiled using Wafios coiling machines, a well-known process for creating strong suspension components. Their progressive design helps balance lowering your vehicle's stance with improved performance. AST backs these springs with a lifetime warranty against breaking, offering peace of mind for your investment.