e53 X5 subwoofer box interest?
I want a box to replace the stock sub on the passenger side of my 2003 X5 and have not found anyone currently making them but BSW but they won't sell it without buying their whole system.
I know a shop that makes BMW specific boxes and systems and they are willing to make me one but it will cost a fortune as a one off due to the odd shape. He said he will make a jig and prepare to make them in numbers if there is real interest.
I am talking about something similar to this:
Here are pictures of his work: