BTE OIL is a web-based authorized independent AMSOIL dealership servicing individuals, retail businesses, and commercial businesses. AMSOIL synthetic lubrication products are designed to provide superior protection and performance to: gasoline and diesel automotive engines, commercial and agricultural equipment, marine vehicles, powersports equipment, as well as interior and exterior care products. AMSOIL products are engineered to support extended drain intervals, maximizing efficiency and reducing costs. -Wholesale pricing is available through AMSOIL's Preferred Customer program, which can result in up to 20-25% off the retail price on all orders.