Originally Posted by ChrisE91
Nice install. I never realised they had subs under the seat. I'm guessing only certain models have this?
Nope, all models have it.
They get better as you go up in audio grade though.
Gone but not forgotten:
325i M Sport (E92), Black Sapphire, Coral Red Dakota, 19" 225's, Seat Heating, 6FL and de-badge
Replaced by 6.2 litres of AMG powered C class.