What is the drop height for these springs?

These AST lowering springs offer a drop of 40mm in the front and 30mm in the rear for your BMW 3 Series.

Are these springs compatible with my original shocks?

These springs are designed as a direct replacement for your OEM springs and are intended to work with your factory shock absorbers. However, for optimal performance and longevity, it's often recommended to pair lowering springs with performance-tuned shocks.

What does the lifetime warranty cover?

AST provides a lifetime warranty against breaking for these lowering springs. This ensures peace of mind against manufacturing defects that could cause the spring to fail structurally.

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Trusted Since 1957

Est. 1957

Specifications

Brand: AST
Part #: ASTLS-14-378
UPC: ASTLS-14-378

AST 10/1999-05 BMW 3 Lowering Springs - 40mm/30mm

Name: AST 10/1999-05 BMW 3 Lowering Springs - 40mm/30mm
Brand: AST
SKU: ast-ast-10-1999-05-bmw-3-lowering-springs-40mm-30mm-t14-707494
Price: 388.53 USD
Availability: BackOrder

$388.53

On Backorder

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

AST 10/1999-05 BMW 3 Lowering Springs - 40mm/30mm. Lowers your vehicle's center of gravity while keeping a comfortable ride.

Key Features

Fits 10/1999-05 BMW 3 Series.
Lowers the vehicle's center of gravity.
Maintains a comfortable ride similar to OEM springs.
Cold-coiled on Wafios coiling machines for a well-built spring.
Progressive spring design balances lowering and performance.
Direct replacement for factory springs.

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About this part

Product Details

These AST Lowering Springs are made to fit your 10/1999-05 BMW 3 Series. They're designed to reduce your vehicle's center of gravity, which can help with handling, while still keeping a comfortable ride similar to your original springs.

They're built using Wafios coiling machines, which are known for making well-built springs. The progressive design means they offer a good balance between lowering your car and improving its performance. These springs are a direct replacement for your factory springs, making installation straightforward. AST backs these springs with a lifetime warranty against breaking, so you can install them with confidence.