I'm not sure what the current model years are using, but the early R52 w/ Bose used the same subwoofer speakers that were used by the R51 w/ Bose. The subwoofer housing was a different shape, of course, do to the different body style. I'm happy with the Bose system in my '06 LE; it's not "through your body" bass driving like a system with 10"+ subwoofers, but it's more than adequate for someone who wants to retain some of their remaining hearing.
