Polyurethane bushings are more durable and have a longer lifespan than standard rubber bushings. Most modern production vehicles utilize rubber bushings, which have a limited lifespan. This contributes to suspension failure due to vehicle weight and the inherent design of advanced suspensions. Typically, this leads to suboptimal vehicle handling and can cause various related components to wear out more quickly than necessary. Polyurethane addresses this issue and, in many instances, enhances vehicle handling and drivability.
Replace OEM parts Number
Left : 31126757623
Right : 31126757624 / 31121095277 / 31121095278
Fitment
BMW E46 E85 325i 330i Z4 99-06
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