B.m.w. now watching their sales climb and climb b.m.w. wants to boost revenues with a long wheelbase version of its mid-range car the high earning middle class in china wants much more leg room in the back because they like to be chauffeured. no the big party is not over this is the largest market in the world and ok yes we see a downturn the first three months of this year last year as well but different look at the german automaker said they have gained market share and that is great l.t. is also building stretch versions of its european cars here with a q two l. the ingolstadt based company...