Product Details
Made to fit the 2013 BMW 135is 1 Series, the Front Lower Radius Arm Bushing (Double Offset) from Whiteline. Whiteline's note for this fit: Adds +/- 0.5 degrees Caster. Does not Suit xDrive Models. Position: front. Chassis code: E82. Part number KCA473. Included: 2 bushings, 2 tubes, adjusting tool, an install guide, and grease.
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.
Expect a difficult job of about 3 hours. Plan on a wheel alignment afterward. Other Whiteline parts we list for the 135is 1 Series: Rear Sway Bar Link, Adjustable Front Sway Bar Link, and Rear Lower Trailing Arm Bushing.
Features
- Bushing material: Made of polyurethane, which resists deflection better than soft rubber.
- Compliance voids: Molded voids give the bushing room to flex where it needs to.
- Install guide: Step-by-step installation instructions come with it.
- Corrosion protection: Metal parts are plated to resist rust over the long term.
- Self-lubricating: Grease reservoirs inside the bushing feed lubrication as it moves.
- Bushing compound: A synthetic elastomer compound resists oil, grease, ozone, and weathering.
Specifications
| Part Number | KCA473 |
| Part Name | Radius Arm Bushing |
| Vehicle | 2013 BMW 135is 1 Series |
| Chassis Code | E82 |
| 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 |

