Thanks. To my knowledge this is the first F-12 ever added! Is there a chance I don't really have a "leak" in the classic sense? Car is 12 years old, now.
1991 350 SDL (200K and she ain't bent, yet)
former 2002 E320 4Matic Wagon - good car
former 1985 300 CD - great car
former 1981 300 TD - good car
former 1972 280 SEL - not so good car
a couple of those diesel Rabbits ...40-45 mpg