BimmerWorld's TrackCAB Solid Control Arm Mounts for your Non-M E46 and M3 are a hybrid mount/bushing set designed for drivers needing a solid control arm mounting solution without the added maintenance of spherical joints.The mount incorporates Delrin bushings for a no-deflection design and extended service intervals. Turn-in and brake stability are also highly improved with this solid configuration. Another great feature of the TrackCAB set is the ease of installation - there is no need for a press, making installation a breeze (new design does not require modification for clearance).If used for racing, please verify that replacement of the bushing bracket is legal in your class.Highlighted features: Solid design without the maintenance of spherical bearings Installs easily without the the need for a press Can be used on the street, although NVH is increased marginally Forged aluminum construction to handle all the stresses of track and street Long-wearing Delrin insert is replaceable - inserts available through our online store Powder coated for corrosion resistance Made in the USABMW Fitments:3 SeriesE46 (99-05) > 323CiE46 (99-05) > 323iE46 (99-05) > 325CiE46 (99-05) > 325iE46 (99-05) > 328CiE46 (99-05) > 328iE46 (99-05) > 330CiE46 (99-05) > 330iZ SeriesE85 / E86 Z4 (03-08) > Z4 2.5i M54E85 / E86 Z4 (03-08) > Z4 3.0i M54E85 / E86 Z4 (03-08) > Z4 3.0i N52E85 / E86 Z4 (03-08) > Z4 3.0si N52 3 SeriesE46 (99-05) > M3