Genuine BMW 17137542986 - Expansion Tank/Coolant Reservoir with Level Sensor, Cap and little Plug Stopper. Removed from BMW e60 08' model. Used condition. Still good for short term use. Removed from car as part of early preventive failure and maintenance works on car's cooling system. No cracks or known issues prior to decommissioning. Please offer. My contact is 188.8.131.52.184.108.40.206.