KSport Circuit Pro 3 Way Adjustable Coilovers - 1982-1992 BMW 3 Series RWD 318i, 320i, 325e, 325i w/ 51mm OEM Strut Weld-In (True Rear Coilover) (E30) CBM016-C3

KSport

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SKU: CBM016-C3

KSport Circuit Pro 3 Way Adjustable Coilovers for 1982-1992 BMW 3 Series RWD (E30) - 51mm Strut

$2,992.00

MSRP $3,520.00 You save $528.00

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Fitment Notes

All fitment information on our website is provided by the manufacturer. It is the customer's responsibility to thoroughly read the product description and confirm fitment before placing an order and proceeding with installation.

Unless specified otherwise, all suspension products are designed for 2WD vehicles only. Any notes or descriptions related to electronic damping systems (EDC, DDS, etc.) apply strictly to vehicle fitment. Aftermarket coilovers are not compatible with OEM electronic damping control systems unless explicitly stated.

*Product images may not represent the actual SKU.

Handling Time

All handling times are estimates and may change at any time.

  • In Stock: 1 business day
  • Out of Stock: 3-4 weeks
  • Custom-Builds: 3-4 weeks
  • Special Order: 3-4 weeks
30-Day Returns

Not quite right? No problem — we offer hassle-free 30-day returns on eligible items. A few exclusions apply.

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1-Year Manufacturer Warranty

Autoline Industries warrants the shock absorbers and steering stabilizers to the original retail consumer against defects and workmanship for 12 months from the original purchase date when used on light truck and car applications under normal operating conditions. This warranty does not apply to shocks and steering stabilizers that have been improperly installed.

Our warranty does not cover shock absorbers that are to be used in racing applications. Exterior finish on all Ksport products is not considered a valid warrantee; consumers are responsible for the maintenance of paint and/or chrome or plated finish.

Autoline Industries reserves the right to refuse any and all warrantee claims from any Distributor which has not purchased the original Ksport product directly from Autoline Industries. Autoline Industries also reserves the right to refuse any Return Goods Authorization of said merchandise in which it is believed to be fraudulent or distressed merchandise not purchased originally from Autoline Industries.

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Product Details

The KSport Circuit Pro 3 Way Adjustable Coilover Kit is the top of the KSport track-day ladder for the 1982-1992 BMW 3 Series. Three independent knobs separate high-speed compression, low-speed compression, and rebound — so you can control how the chassis reacts to curbs, how it settles through a fast sweeper, and how it recovers from a hard braking zone, all without touching the other two axes.

For serious BMW 3 Series track drivers and race teams, the Circuit Pro delivers the setup flexibility you need to get the absolute last tenth out of a lap. Remote reservoirs provide the oil volume and heat capacity required for long sessions, and the monotube design gives the consistent performance that makes your data meaningful. This is a full race coilover you can still dial back for the drive home.

Features

  • Built for racing
  • External reservoirs for independent rebound and compression adjustment
  • 11,664 possible tuning combinations
  • Stiffer spring rates and shock valving combined with 20-30mm shorter shock stroke
  • Upgraded bumpstops to prevent the shock from bottoming out over uneven pavement or harsh road conditions.
  • 36 levels of damping which allow you the ability to perfectly dial in your coilover system
  • Collars and upper mounts made from 6061 aluminum with T6 for increased hardness
  • Adjustable spring perch for height adjustment
  • All metal pillowball for added strength and responsiveness
  • Adjustable lower mount allowing maximum suspension travel
  • Monotube high pressure design for better performance and heat dissipation
  • Electroplated body for added protection from corrosion and rust

Specifications

Part Number CBM016-C3
Damping Adjustment 3-Way (High-Speed Compression, Low-Speed Compression, Rebound)
Height Adjustable Yes
Spring Rate (Front) 12.0 kg/mm (672 lbs/in)
Spring Rate (Rear) 10.5 kg/mm (588 lbs/in)
Spring Type Linear
Top Mount (Front) Pillowball Mount with camber adjustment
Top Mount (Rear) Pillowball Mount no camber adjustment
Notes True Rear Coilover Welding Required

Vehicle Fitment

  • 1982 BMW 3 Series
  • 1983 BMW 3 Series
  • 1984 BMW 3 Series
  • 1985 BMW 3 Series
  • 1986 BMW 3 Series
  • 1987 BMW 3 Series
  • 1988 BMW 3 Series
  • 1989 BMW 3 Series
  • 1990 BMW 3 Series
  • 1991 BMW 3 Series
  • 1992 BMW 3 Series

Important Fitment Note

RWD 318i, 320i, 325e, 325i with 51mm OEM Front Strut

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