If your BMW has 60,000 miles or more on the odometer, the ECS Tuning Level 1 Cooling System Maintenance Kit has what you need to perform a thorough cooling system maintenance.
Avoid overheating problems caused by coolant leaks and water pump failures.
The ECS Level 1 kit contains the following.
Water Pump
Thermostat
Expansion Tank & Cap
1 Gallon Coolant
Upper & Lower Radiator Hoses
4 Thermostat housing connecting pipe O-rings