What is the main benefit of installing these lowering springs?

The primary benefit is lowering your vehicle's center of gravity. This can lead to improved handling and a more aggressive stance. They are also designed to retain a good amount of the original ride comfort.

Are these springs compatible with all 4-series BMWs from 2013-2020?

These specific springs (ASTLS-18-060) are designed for RWD models of the 435i, 440i, and 430D within the 2013-2020 model years (F32 chassis). It's important to verify fitment for your exact vehicle configuration.

What does the lifetime warranty cover?

The lifetime warranty covers the springs against breaking. This provides assurance for the durability and longevity of the product under normal use.

Specifications

Brand: AST
Part #: ASTLS-18-060
UPC: astASTLS-18-060

AST 13-20 BMW 435i/440i/430D (F32) Lowering Springs - RWD

Name: AST 13-20 BMW 435i/440i/430D (F32) Lowering Springs - RWD
Brand: AST
SKU: ast-ast-13-20-bmw-435i-440i-430d-f32-lowering-springs-rwd-t14-702037
Price: 348.43 USD
Availability: BackOrder

$348.43

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 2013-2020 BMW 435i/440i/430D RWD. Lowers center of gravity while maintaining OEM comfort.

Key Features

Fits 2013-2020 BMW 435i, 440i, and 430D RWD models.
Lowers the vehicle's center of gravity for improved handling.
Designed to maintain a comfortable ride similar to OEM springs.
Cold-coiled on Wafios coiling machines for precise manufacturing.
Progressive spring design balances lowering and performance.
Direct replacement for factory springs.

These AST Lowering Springs are designed for the 2013-2020 BMW 435i, 440i, and 430D RWD models (F32 chassis).

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About this part

Product Details

If you're looking to give your 2013-2020 BMW 435i, 440i, or 430D (F32 RWD) a lower stance and improved handling, these AST Lowering Springs are a solid option. They're designed to replace your factory springs directly, helping to reduce your vehicle's center of gravity without sacrificing too much of the comfortable ride you expect from the original equipment.

These springs are cold-coiled using Wafios coiling machines, which are known for their precision. The progressive design aims to strike a good balance between lowering your car and enhancing its performance characteristics. While they lower the vehicle, they're developed specifically for each application to try and preserve ride comfort.

AST backs these springs with a lifetime warranty against breaking, giving you confidence in their durability for your BMW.