SuperPro Front Control Radius Arm Kit for BMW 3 Series E90, E91, E92 E93 Kit Includes: - 4 x Arms SuperPro polyurethane suspension bushes are engineered like no other. They provide outstanding performance and keep components working as the manufacturer intended. More responsive steering, greater control, improved initial turn-in and better stability are just some of the benefits that have been attributed to SuperPro bushes - all without the harshness often associated with some manufacturer's polyurethane products. This is achieved through SuperPro's unique materials technology, industry-leading engineering, development and rigorous testing. Added to this, the low-maintenance feature of its products, increased life of adjoining components and improved tyre-wear, means that.
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