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

AST

AST BMW G80-G81 M3 G82-G83 M4 AWD / G81 M3 X-drive 2021- AST 5100 Competition Series Coilovers

$5,250.00 $4,725.00 Save $525.00

SKU: A03L ACC-B2115SD

In Stock
In Stock
Ships by Jun 20
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The AST Suspension ACC-B2115SD is a 2-way adjustable Coilover Kit for BMW M3 (G80) and M4 (G82) xDrive Competition models from 2021-2023. It features separate compression and rebound adjustment with remote reservoirs, an inverted strut design, and monotube coilovers. The kit includes camber-adjustable front top mounts and solid rear top mounts.

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 ACC-B2115SD

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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