Suspension and Components Shocks, Struts, Coil-Overs and Components

AST

AST 2018+ BMW 3 Series G20/G21 (NON xDrive) 5100 Series Coilovers

$3,170.00

SKU: A03L ACU-B2021SD

Out of Stock
In Stock
Ships by Jun 15
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

AST Suspension 1Way Adjustable Coilovers In Rebound And Ride-Height, Rear: Divorced Setup (ACU-B2021SD) are designed for optimal road balance in everyday use. These coilovers maximize grip by controlling rebound and ride height. They include springs and are designed to run OEM top mounts. The front dampers utilize a coilover design, while the rear maintains an OEM-like divorced setup for a more comfortable configuration and flawless road balance.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandAST
Part NumberA03L ACU-B2021SD

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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