Eibach Pro-Alignment Rear Camber Arm Kit 98-05 BMW E46 323i/325i/328i/330i/328Ci/330CiAlignment kits are necessary when lifting or lowering vehicles because changes in the height of a vehicle can affect the alignment of its wheels. If a vehicle is lowered or lifted beyond a certain point, factory alignment specifications will not be achievable which can negatively effect handling. These alignment kits not only allow the adjustment of a vehicles camber back to factory specifications, but they also allow an experienced chassis tuner to