E39 (1997 - 2003)
EDIT: Added gumout, stp, redline, lucas, & slick50 as per Zerodynamic in posts #2 & #4 below.
What is the list of commonly marketed solvents in a can that people often use to clean engines, fuel injectors, etc.?
Please note that this thread is merely intended as a LIST of options (we will cover...