http://www.e90post.com/forums/showth...it+turbo+tuner
check post #33 and on ..im not the only one that knows about them being sold at the dealership..after i found out they were being sold at the dealership i asked my friend in san diego to pick me up one and he was able to get $50 dollars off on these.. i believe the retail price is $600.. i know its only $50 dollars off but just trying to help everyone out.