On what is possibly the most serene assembly line in the history of manufacturing, the crew of engineers at BMW Motorrad's Berlin plant is hard at work churning out some of Germany's finest motorcycles. These guys are all business in Berlin, and in this behind-the-scenes video, you can watch them meticulously wrench on, inspect, and dyno-test an R 1200 GS, a German Police-spec touring bike, an HP4, and a few others in the hospital-clean facility.

Take good notes; this probably the closest you'll ever get to actually standing inside the walls of the plant itself.

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