Millers Oil. The BMW Mini R50 / R52 / R53 Service Kit contains 5 Litres of Millers Oils Trident Professional C3 5w30 Fully Synthetic engine oil, a Blue Print Oil Filter and a new sump plug. This service kit has been designed for all petrol variants of the the BMW Mini (R50, R52, R53) also known as the Mini MK1, including the Mini Cooper S, Mini one and Mini John Cooper Works, manufactured between June 2001 and September 2008.
