Multigrade oil 20/50 oil ideal for minis.
MINI SPARES branded oil with protective property Zinc(zddp) of 13% compared to Castrol 8%- this oil is as close as we could get to the oil that BMC/Leyland recommended to overcome heavy oil consumption on Mini during the period of warranty problems. Originally in a class of its own ,maintaining viscosity and reducing oil leaks that started to plague the mini BMC recommended Duckhams Q20-50 in late 1964 for some of their range even though castrol had sponsered the Winning Monte Carlo mini.