[olegd88]

Hey guys,

Check the link.

Custom Hidden Subwoofer Enclosure for 12" Sub for 2000 2003 BMW E39 M5 | eBay

Message me any questions.

 

[BloodRedM5]

How much airspace is in that small area ??? Seems a 12" driver would be choked. Good luck with the sale

 

[olegd88]

I have not measured how big it is, however a guesstimate would be around 1 cubic foot. It should be enough for a 12" sealed.