check this thread
http://www.t595.net/messageboard/thread.asp?thread=1846
it looks like a bmw filter is a cross and cheaper.alexfischer said:Does anyone know which domestic brand fuel filter can be used to replace the KNECH Filter Gruppe - Model KL145, fitted as original equipment, on the 2002 ST4s?
I'm a new member here and any help would be greatly appreciated.
Thanks, Alex
http://www.t595.net/messageboard/thread.asp?thread=1846