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Ksport CBM250-AR Asphalt Rally AR Spec Coilover Kit Damping Monotube - 36-Way

(2012-2016 BMW 328i; 2012-2015 BMW 335i; 2016-2018 BMW 330i; 2012-2018 BMW 320i; 2016-2018 BMW 340i)

Manufacturer

Part Number

CBM250-AR
Sale Price

$1,700.00

Estimated ship date Sunday, November 22

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Ksport CBM250-AR Rally AR Spec Coilover System is an asphalt rally competition-grade suspension kit engineered for drivers who demand maximum performance on sealed stages. Built around a monotube shock design with extended stroke and heavy-duty internals, this coilover system delivers the durability and adjustability required for serious competitive use.

Damping & Adjustment:

  • 36 levels of damping adjustment allow precise tuning of compression and rebound to match driving style and road conditions
  • Compression and rebound are adjusted simultaneously for quick, convenient setup changes at the stage

Monotube Shock Technology:

  • Oil and gas are fully separated within the cylinder for consistent, fade-resistant performance
  • Large-diameter pistons provide increased oil capacity for improved cooling efficiency under sustained competition use
  • Superior heat dissipation compared to twin-tube designs reduces the risk of aeration and cavitation for a more consistent damping feel

Construction & Durability:

  • Mounts and major structural components are machined from 6061 billet aluminum — lightweight, strong, and corrosion-resistant
  • Steel shock body is zinc electroplated for long-term protection against rust and the elements
  • Spring rates and valving are precisely matched to one another for optimized ride quality and reliability straight out of the box

Top Mounts & Geometry:

  • Pillow ball top mounts (on applicable fitments) preserve OEM suspension geometry while delivering a more direct, responsive steering feel
  • Integrated camber adjustment on compatible pillow ball top mounts eliminates the need for a separate camber kit

Ride Height Adjustment:

  • Adjustable lower mount design allows ride height changes without sacrificing suspension travel — a key advantage over fixed-collar coilover systems
  • On most applications, the system supports ride heights at or near OEM level, with lowering of up to 3 inches from stock available depending on fitment
  • Note: Competitors should verify ride height compliance with the rules of their specific sanctioning body prior to competition

Products specifications

Fits

2012-2016 BMW 328i; 2012-2015 BMW 335i; 2016-2018 BMW 330i; 2012-2018 BMW 320i; 2016-2018 BMW 340i

Spring Rate (F)

14/784kg/lbs

Spring Rate (R)

14/784kg/lbs

Upper Mount (F)

Pillowball

Upper Mount (R)

OEM

Lower Mount Type

Adjustable

Dust Shield

No

Subject to CARB? Yes/No

No

Ksport Product Sub-Category

Asphalt Rally Spec AR Coilover Kit

Spring Rate Rear kg/mm

14

Spring Rate Front kg/mm

12

Adjustable Height

yes

Top Mount Type - Front

Pillowball Mount with camber adjustment

Top Mount Type - Rear

Reuses OEM Top Mount

Upper Mount Type

Pillowball Mount with camber adjustment

Gas Charged

Yes

Ksport Product Category

Coilover Kits

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Item price, availability & shipping price all seem good... So far...

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I share how I feel when the transaction is complete.

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A+ service

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Sweet price and in stock :

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