sigh, I love BMWs but shit like this gets me furious. Mechanics are (sometimes) full blown tards and salespeople rarely provide any post-sale support. Unfortunately this is a trend recently.
Good luck OP, hope issue doesnt resurface.
2013 F30 335i X-Drive / AW / CR / MSPORT / PREMIUM / TECH / HK / Heated Seats / Sport Auto / PDC / M Performance Grills and Spoiler / 20% tint