Description:

Replacement for: 2001-2003 For 525i,1999-2000 For 528i,2001-2003 For 530i. Strong Point: Controls the flow of coolant through the radiator regulating heat dissipation and allows engine to reach operating temperature as quickly as possible. Easy Installation: Our radiator cooling expansion tank is easy to install no need additional hardware.. Features: The coolant remaining in the radiator of the tank will flow back to the expansion tank to prevent over pressure in the tank. Conversely when the water level in the tank is too low the tank can also replenish the water level..