No need to wait for 5 people to commit to the group buy. We just lowered the price to $1100 with free shipping anwyhere in the lower 48 states!
http://www.namotorsports.net/detail....WT30.309.170WK - Wavetrac Differential for E90/92/93 BMW 335, E82/88 135 and E39 BMW 540 - $1100 shipped!