- Aug 25, 2017
- 2007 E90 335i 6MT
Hey all, i have a 2007 e90 335i 6MT with a little over 90k miles on it. To my knowledge the transmission fluid has never been flushed, this being the case i ordered Redline d4 atf. A couple of my buddies are telling me that at this mileage the fluid should not be changed because it is lifetime and that it could be worse for the synchros. Only reason i am changing is that i have been having crunchy shifts and figured i mine as well do that while i do the cdv delete. Thanks!