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Our poly E30 bushings virtually eliminate the deflection that occurs with the factory rubber bushings for proven
then our poly BMW F30
Replaces BMW part numbers(s): 31129064875
bolt-through E30 mount that offers virtually the same performance as a solid metal mount
Our mount brackets are made of solid CNC'd 6061- T6 aluminum with high-quality
Front Control Arm (Thrust) Bushings, Spherical - E39 (540, M5) E89 Z4 Our poly E30 bushings virtuallyThese BMW E39 (540, M5) Aluminum Front Control Arm (Thrust) Bushings with spherical bearings eliminate the deflection that occurs with the upper control arms preventing geometry changes and keeping alignment consistent for excellent steering and braking feedback. The factory rubber bushings deflect, allowing the wheels to noticeably wobble shake under load. Our aluminum front control arm bushings utilize spherical bearings to eliminate the "bumping"