Product Details
Whiteline Caster Kits on your 2009-2016 BMW Z4 (E89) are designed to improve cornering grip and vehicle straight line stability through increased static caster and dynamic negative camber gain. In addition, synthetic elastomer bushings provide improved steering feedback and braking performance.
Standard Features
- Engineered to alter/ optimize caster alignment to maximize tire contact patch during roll, improve turn-in response & increase directional stability.
- Install guide included providing detailed instructions on how to install your new Whiteline purchase.
- Internal grease reservoirs provide continual self lubrication for optimum friction management.
- Protective plating on all metal components acts as a hard skin that is much tougher than conventional paint allowing this product to withstand the toughest conditions and resist corrosion for years to come.
- Supplied with extreme pressure molybdenum disulphide (LM) based grease for extended life.
- Whiteline's latest technology synthetic elastomer formulation boasts resistance to oil, grease, ozone and weathering.
- Protective powder coating acts as a hard skin that is much tougher than conventional paint allowing this product to withstand the toughest conditions and resist corrosion for years to come.
Specifications
| Part Number | KCA430 |
| Part Name | Radius Arm Bushing |
| Vehicle | 2009-2016 BMW Z4 |
| Chassis Code | E89 |
| Bushing 1 Inner Diameter | 12.2 mm |
| Bushing 1 Outer Diameter | 70.7 mm |
| Bushing Quantity | 2 Bushings |
| Grade Type | Performance |
| Inside Diameter | 12.2 mm |
| Installation Difficulty | Moderate |
| Installation Time (hrs) | 3 |
| Kit Contents | 2 Bushings, 2 Tubes |
| Material | Polyurethane |
| Mounting Hardware Included | No |
| Outside Diameter | 70.7 mm |
| Vehicle Placement | Front |
| Wheel Alignment Required | Yes |
| Notes | Adds +/- 0.5 Deg Caster |
Vehicle Fitment
- 2009 BMW Z4 (E89)
- 2010 BMW Z4 (E89)
- 2011 BMW Z4 (E89)
- 2012 BMW Z4 (E89)
- 2013 BMW Z4 (E89)
- 2014 BMW Z4 (E89)
- 2015 BMW Z4 (E89)
- 2016 BMW Z4 (E89)

