Hello,Need advice as am planning to purchase a 2007 325i (e90). Would sincerely appreciate some comments on service intervals / estimated maintanence costs / issues with this model / for those using this model, any regrets / or truly enjoying it. I like the e92 design better however the door seems to be issue due to convinience . Your helpful advice would be sincerely appreciatedp/s - not under any illusion that a recon will be trouble free like new