![BMW E46 Cooling System Leak Test | BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004) | Pelican Parts Technical Article BMW E46 Cooling System Leak Test | BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004) | Pelican Parts Technical Article](https://cdn4.pelicanparts.com/BMW/techarticles/BMW-3-Series-E46/111-WATER-Cooling_System_Leak_Test/images_large/pic01.jpg)
BMW E46 Cooling System Leak Test | BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004) | Pelican Parts Technical Article
![BMW E46 Cooling System Leak Test | BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004) | Pelican Parts Technical Article BMW E46 Cooling System Leak Test | BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004) | Pelican Parts Technical Article](https://cdn4.pelicanparts.com/BMW/techarticles/BMW-3-Series-E46/111-WATER-Cooling_System_Leak_Test/images_large/pic03.jpg)
BMW E46 Cooling System Leak Test | BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004) | Pelican Parts Technical Article
![Coolant leak: can not pinpoint where the leak is from, is it the expansion tank or something with the radiator? Car is losing coolant slowly and I can see drops of coolant Coolant leak: can not pinpoint where the leak is from, is it the expansion tank or something with the radiator? Car is losing coolant slowly and I can see drops of coolant](https://i.redd.it/do8exmzl9pj41.jpg)
Coolant leak: can not pinpoint where the leak is from, is it the expansion tank or something with the radiator? Car is losing coolant slowly and I can see drops of coolant
![BMW E46 Cooling System Leak Test | BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004) | Pelican Parts Technical Article BMW E46 Cooling System Leak Test | BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004) | Pelican Parts Technical Article](https://cdn4.pelicanparts.com/BMW/techarticles/BMW-3-Series-E46/111-WATER-Cooling_System_Leak_Test/images_large/pic04.jpg)
BMW E46 Cooling System Leak Test | BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004) | Pelican Parts Technical Article
![BMW E46 Cooling System Leak Test | BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004) | Pelican Parts Technical Article BMW E46 Cooling System Leak Test | BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004) | Pelican Parts Technical Article](https://cdn4.pelicanparts.com/BMW/techarticles/BMW-3-Series-E46/111-WATER-Cooling_System_Leak_Test/images_large/pic02.jpg)