If you are looking for a solution to mount your aftermarket racing seat into your E36 or E46 chassis
E46 REAR CHASSIS REINFORCEMENT KIT
Pairs great with our Supreme Shifter found here
2-Series F22 (10/2012 — 06/2017)
Direct Replacement: Direct Replacement for BMW PN 25111434613
E36, E46, Z4 High Adjustment Trailing Arm Toe Brackets E9X If you are looking forE36, E46, Z4 High Adjustment Trailing Arm Toe Brackets Product Description Lowering your BMW E36, E46, or Z4 often results in a loss of rear toe adjustment, causing alignment issues, premature tire wear, and reduced traction. The factory trailing arm brackets simply dont offer enough range to correct for the new suspension geometry. Garagistic Adjustable Rear Toe Brackets solve this problem by offering over double the toe adjustment of OEM brackets,