As a guy, I love summer because it means it's time for women to break out their shorts and bikinis. Apparently, things work that way in the car development world, too. The 3 Series mule we spotted during a run was sporting the skimpiest of camo outfits.

It was only wearing cladding up front to disguise its new bumper, air intakes and optional full-LED headlights. Of course, the hood was already covering the biggest change coming down the pike for the 3: one of the engines from the new range of gas and diesel 1.5-liter, three-cylinder power plants.

Read the rest on the 5Series.net homepage.