Whiteline

Whiteline 15-18 BMW M3 Front Radius Arm Lower Bushing Kit - KCA473

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SKU:
WHLKCA473
UPC:
9319924450480
MPN:
KCA473
Availability:
Regularly stocked product
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$127.88
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Description

What is the primary function of these radius rod bushings?
These Whiteline radius rod bushings improve cornering grip and vehicle straight-line stability by increasing static caster for sharper turn-in and confidence.

Are these radius rod bushings easy to install?
Professional installation is recommended for these radius rod bushings to ensure optimal performance and correct alignment of the suspension components.

Whiteline Radius Rod Bushings for 2012-2021 BMW 128i/135i/135is and more deliver a 9/10 score for Track/Autocross with dynamic negative camber gain. Constructed with durable polyurethane, these bushings provide improved cornering grip and unwavering vehicle straight-line stability for a truly enhanced driving experience.

Key Features

  • improved cornering grip
  • improved vehicle straight line stability
  • increased static caster
  • dynamic negative camber gain
  • improved steering feedback
  • improved braking performance

Why Choose the WL Bushings - Radius Rods

Delivers sharper turn-in and confidence-inspiring grip through corners.

Achieves rock-solid stability at high speeds and during aggressive maneuvers.

Provides more precise steering feel for ultimate control on the road.

Transforms braking by reducing dive and maintaining tire contact.

Who Is This For?

Track / Autocross — 9/10
Improves cornering grip and camber gain for tracks.

Racing Competition — 9/10
Enhances grip, stability, and braking for racing.

Street Performance — 8/10
Improves cornering, stability, and steering feedback.

Daily Driving Comfort — 3/10
May reduce comfort due to increased caster.

Drag Racing — 7/10
Improved straight line stability aids drag launches.

Additional Resources

Official Whiteline Product Page

Installation Guide (PDF)

Important Notices

⚠️ Proposition 65 Warning: This product can expose you to chemicals including lead and/or other substances known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.

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Warranty Information

This Part Fits:

YearMakeModelSubmodel
2012-2013BMW128iBase
2012-2013BMW135iBase
2013BMW135isBase
2014-2016BMW228iBase
2015-2016BMW228i xDriveBase
2017-2021BMW230iBase
2017-2020BMW230i xDriveBase
2013-2018BMW320iBase
2013-2018BMW320i xDriveBase
2014-2018BMW328dBase
2014-2018BMW328d xDriveBase
2012-2016BMW328iBase
2014-2016BMW328i GT xDriveBase
2012-2016BMW328i xDriveBase
2016,2018BMW330eBase
2017BMW330eiPerformance
2017-2019BMW330iBase
2017-2018BMW330i GT xDriveBase
2017-2018BMW330i xDriveBase
2012-2015BMW335iBase
2014-2016BMW335i GT xDriveBase
2012-2015BMW335i xDriveBase
2012-2013BMW335isBase
2016-2018BMW340iBase
2017-2018BMW340i GT xDriveBase
2016-2018BMW340i xDriveBase
2014-2016BMW428iBase
2015-2016BMW428i Gran CoupeBase
2014-2016BMW428i xDriveBase
2015-2016BMW428i xDrive Gran CoupeBase
2017-2020BMW430iBase
2017-2020BMW430i Gran CoupeBase
2017-2020BMW430i xDriveBase
2017-2020BMW430i xDrive Gran CoupeBase
2014-2016BMW435iBase
2015-2016BMW435i Gran CoupeBase
2014-2016BMW435i xDriveBase
2015-2016BMW435i xDrive Gran CoupeBase
2017-2020BMW440iBase
2017-2020BMW440i Gran CoupeBase
2017-2020BMW440i xDriveBase
2017-2020BMW440i xDrive Gran CoupeBase
2013-2015BMWActiveHybrid 3Base
2014-2016BMWM235iBase
2017-2021BMWM240iBase
2015-2018BMWM3Base
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Additional Information

Clearance Item:
N
MPN:
KCA473
Proposition 65:
Y
Case Lot Quantity:
1
Category:
Suspension>Bushing Kits
Product Level:
Mid Range
Track / Autocross:
9/10
Racing Competition:
9/10
Street Performance:
8/10
Drag Racing:
7/10
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