Originally Posted by nicktyler
Oh. My bad. I have only had mine for a week or two but I feel like it might not have them. Can you see them or do you know if there's a way to test they are working? If I can get yours in easy I would be very interested.
No worries mate. These are now provisionally sold, pending payment.
They are easy to spot - have a look at here. Download the PDF http://www.e90post.com/forums/showth...ighlight=sws-8
This is essentially the 'how to' and will help you spot where the stock subs are located exactly.
Definetely a worthwhile upgrade if you don't already have a boot sub.