Replaces 11537534521, 11538699290, 902-812, 902812, 49412, 34713, V20990174, 86160, 678221, 11537647751. Compatible with BMW Mini Cooper 1.6L 2007-2013; Compatible with BMW Cooper Countryman 1.6L 2011-2013. The Upgraded Engine Coolant Thermostat Housing Assembly is made of high quality plastic, which has stronger resistance to abrasion, deformation and cracking, and can withstand extreme temperature changes, preventing the diameter tube from cracking and leaking, thus prolonging the service life. The Engine Coolant Thermostat Housing Assembly is designed to regulate the flow of coolant to the radiator, maintaining a stable engine operating temperature, preventing engine overheating, and reducing engine wear, deposits and emissions