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AST BMW G80-G81M3 G82-G83 M4 AWD / G81 M3 X-drive 2021- 5100 STREET Coilovers (rr non coilover)

AST
ASTACU-B2114SD
Coilovers
$4,060.00 $3,288.60

In Stock — This item is currently in stock and available to order. Inventory is subject to prior sales and is confirmed once your order has been processed.

In Stock — Ships as early as the same or next business day. Please allow up to 7–10 business days for processing in some cases. Lead times are estimated and subject to change.

$3,288.60

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AST BMW G80-G81M3 G82-G83 M4 AWD / G81 M3 X-drive 2021- 5100 STREET Coilovers (rr non coilover)

AST BMW G80-G81M3 G82-G83 M4 AWD / G81 M3 X-drive 2021- 5100 STREET Coilovers (rr non coilover)

AST 5100 Street suspension for BMW G8X M3/M4 xDrive, engineered for improved grip and stance while retaining a road-focused suspension layout.

Product Highlights

  • Adjustable rebound damping and ride height
  • Springs included
  • Uses OEM top mounts
  • Front coilover layout with divorced rear spring/damper arrangement
  • Vehicle-specific rear spring rates
  • Designed for everyday road performance and fine tuning

Manufacturer: AST Suspension
Part Number: ASTACU-B2114SD

Fitment & Installation

Verify year, model, chassis, drivetrain, trim and factory suspension configuration before ordering. Specifications and included hardware can vary by application. Professional installation and alignment are recommended.

Source note: Product features were matched to the corresponding AST listing from IND Distribution and rewritten for this catalog.

Frequently Asked Questions

Is this a genuine AST Suspension product?

Yes. This listing is for genuine AST Suspension part number ASTACU-B2114SD.

How should I confirm fitment?

Confirm the vehicle year, chassis, drivetrain, trim and factory suspension configuration shown in the listing before ordering. Contact Peter's Car Parts if your vehicle configuration differs.

Is professional installation recommended?

Yes. Professional suspension installation and a four-wheel alignment are recommended after installation or any significant ride-height change.

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