Beach Bum Car Wash in Carlsbad's La Costa corridor operates an express drive-through tunnel at 7602 El Camino Real, positioned in front of Gelson's at La Costa Plaza near the Omni La Costa Resort area. Four wash tiers range from a basic rinse-and-dry to a top-tier package with tire shine, undercarriage cleaning, and triple-foam conditioner, addressing the surface-level grime that accumulates before vehicles need the paint-correction services at Caliber Collision on the El Camino Real auto mile. Complimentary towel access and vacuum stations at the exit lane let drivers finish a hand-dry and interior cleanup without an added charge. The tunnel uses modern soft-cloth friction technology, and fleet accounts accommodate businesses running four or more vehicles through the La Costa location on a single unlimited membership, a volume-wash program distinct from the single-vehicle mobile detailing approach at Knox Detailing. The top-tier wash package layers a triple-foam polish, hot-wax sealant, tire-shine application, and undercarriage flush across a conveyor sequence designed to process each vehicle in under four minutes.