Made to fit the 2014-2016 BMW 328i GT xDrive 3 Series, the Front Lower Radius Arm Bushing from Whiteline. The kit contains 2 bushings, 2 tubes, adjusting tool, an install guide, and grease. Part number KCA473. Placement: front. The listing names the xDrive 3 Series trim. Whiteline”s note for this fit: Adds +/- 0.5 degrees Caster. Does not Suit xDrive Models. It is listed for the F34 chassis.
Caster is the forward or backward lean of the steering axis, and more positive caster generally helps stability and steering return. This control arm bushing is made to add positive caster and alter anti-dive geometry, using a bushing swap rather than a major rebuild.
Installation is rated difficult, with about 3 hours of work listed. Plan on a wheel alignment afterward. Other Whiteline parts we list for the 328i GT: Adjustable Rear Sway Bar Link, Adjustable Sway Bar Vehicle Link Kit, and Rear Subframe Mount Bushing.
Features
Specifications
| Part Number | KCA473 |
| Part Name | Radius Arm Bushing |
| Vehicle | 2014-2016 BMW 328i GT xDrive 3 Series |
| Chassis Code | F34 |
| Bushing Color | Black |
| Bushing Material | Polyurethane |
| Durometer | 80 |
| Inside Diameter | 12.5 mm |
| Installation Difficulty | Difficult |
| Installation Time (hrs) | 3 |
| Kit Contents | 2 Bushings, 2 Tubes, Adjusting Tool, Install Guide, Grease |
| Length | 89 mm |
| Outside Diameter | 70.7 mm |
| Vehicle Placement | Front |
| Wheel Alignment Required | Yes |
| Notes | Adds +/- 0.5 Degree Caster; Does not Suit xDrive Models |


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