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These E36/E46/Z4 Rear Trailing Arm Bushing Limiters are urethane spacers that sits on either side of the rear trailing arm bushings (RTAB). This prevents the bushing from twisting and deflecting under load. Large deflection causes the rear alignment (toe) to change and make the back end feel loose and wandering. The alignment change is much worse as the bushings wear and can actually damage the bushing. These bushing limiters restrict the movement of the bushing during cornering but do not affect ride quality or vibration, unlike harder urethane or solid mounts. We strongly recommend these be used with new rubber bushings (see links below). Installation is easy as they just slip in between the bushing and the bushing housing - no need to drill holes or secure with screws.
The 75D urethane hardness of these limiters makes them a great street-performance product and we wouldn't install rubber OEM bushings on our own cars without them. For more serious cars used for autocross or track use we prefer Powerflex urethane RTAB or BimmerWorld spherical RTAB bushings.
Not for use with Powerflex rear trailing arm bushings, which have this design built into the bushing.
BMW Fitments:
3 Series E36 (92-99) > 318i M42 E36 (92-99) > 318i M44 E36 (92-99) > 318ic M42 E36 (92-99) > 318ic M44 E36 (92-99) > 318is M42 E36 (92-99) > 318is M44 E36 (92-99) > 323ic E36 (92-99) > 323is E36 (92-99) > 325i E36 (92-99) > 325ic E36 (92-99) > 325is E36 (92-99) > 328i E36 (92-99) > 328ic E36 (92-99) > 328is E36 (92-99) > M3 (1995) E36 (92-99) > M3 (96-99) 3 Series E46 (99-05) > 320i E46 (99-05) > 323Ci E46 (99-05) > 323i E46 (99-05) > 325Ci E46 (99-05) > 325i E46 (99-05) > 325xi E46 (99-05) > 328Ci E46 (99-05) > 328i E46 (99-05) > 330Ci E46 (99-05) > 330i E46 (99-05) > 330xi E46 (99-05) > M3 Z Series E85 / E86 Z4 (03-08) > Z4 2.5i M54 E85 / E86 Z4 (03-08) > Z4 3.0i M54 E85 / E86 Z4 (03-08) > Z4 3.0i N52 E85 / E86 Z4 (03-08) > Z4 3.0si N52 E85 / E86 Z4 (03-08) > Z4 M
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$49.99
Rear Trailing Arm Bushing Limiter Set - E36, E46, X3, Z4
Limit bushing deflection of rubber bushings for better control and more longevity
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