Shop Mini Cooper Clubman Caliper Guide Pin Bushings & Mini Cooper Clubman Brake Caliper Slide Pin Bushing Get Mini Cooper Clubman Brake Caliper Pin Rubber Sleeve. Maintaining your Mini Cooper Clubman's caliper guide pin bushings is crucial for optimal brake performance. Regular lubrication with high-quality silicone grease can extend their lifespan and improve caliper movement. Keep an eye out for signs of wear, such as uneven brake pad wear or a floating sensation when braking, indicating a need for replacement. When selecting new bushings, opt for either rubber or polyurethane options, with the latter offering greater durability and performance. Ensure you choose the correct size for your Clubman and consider professional installation to guarantee precision and safety.