![BMW E46 Radiator Replacement | BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004) | Pelican Parts Technical Article BMW E46 Radiator Replacement | 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-E46/34-WATER-Radiator_Replacement/images_large/pic07.jpg)
BMW E46 Radiator Replacement | 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)
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 3 Series Questions - there is engine oil in my e46 radiator but there is no water in the en... - CarGurus BMW 3 Series Questions - there is engine oil in my e46 radiator but there is no water in the en... - CarGurus](https://static.cargurus.com/images/site/2018/06/24/13/21/pic-8158068562897210386-1600x1200.png)
BMW 3 Series Questions - there is engine oil in my e46 radiator but there is no water in the en... - CarGurus
![Coolant leak from the top of my expansion tank. I think it's the cap. Is this a common issue? What could fail on this part? - BMW E46 318i M43TUB19 1998 : r/MechanicAdvice Coolant leak from the top of my expansion tank. I think it's the cap. Is this a common issue? What could fail on this part? - BMW E46 318i M43TUB19 1998 : r/MechanicAdvice](https://preview.redd.it/fh3225fm3re71.jpg?width=640&crop=smart&auto=webp&s=f93c19ac7597aea0a31a3c072c9b44a376484359)
Coolant leak from the top of my expansion tank. I think it's the cap. Is this a common issue? What could fail on this part? - BMW E46 318i M43TUB19 1998 : r/MechanicAdvice
![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)