BMW Mini r52 r53 Cooper 'S' _ Water Pump _ GENUINE oem engine coolant vanes Water Pump, for Cooper S only. Brand NEW part with full 1 year warranty. BMW Mini part# 11 51 7 520 123, for S cars only. Genuine BMW Mini part, recently made: not been lying around. Please see FITMENT CHART below, under PRODUCT DESCRIPTION. Email us your VIN for any questions.