http://www.bassforms.com
I was surfing the net for custom sub enclosures and came across this. Bassforms created a fiberglass enclosure for the BMW 3 Series Sedan (see car manufacturer choices under products).
Question - does the 2006 - 2009 328/335 sedan have the same trunk dimensions as the 2008/09 M3 Sedan?
I spoke with a Bassforms sales rep and they sell to car audio retailers, not consumers, even though their website offers a purchase option. However, if no local retailer markets the product, they will sell direct. They are asking $299 for the enclosure. Funny thing, it was $199 yesterday, so maybe my interest increased the price.
Thoughts? I was going to have my shop create one for me, but this may be an alternative.