F30 / F31 / F32 / F33 / F34 / F36 (2012 - current)
2014 328d with 362,801 miles on the clock.
I have a very strong vibration under acceleration between 15-20mph but at no other speed.
it started after I got the JR tune and exhaust, at that time I also replaced engine and trans mounts, both front and back rubber flex discs, and center support...