BMW 507 Series
Source: BMW Blog  http://www.bmwblog.com/2015/12/08/top-five-topless-bmws/
"Powered by a 3.2 liter V8, that developed 148 hp, mated to a four-speed manual, the BMW 507 was one of the coolest cars of its time. Unfortunately, the BMW 507 was too expensive to make and too expensive to buy, so it didn’t last very long and almost bankrupt BMW."  Search “宝玑手表507机芯分解图【精仿++微wxmpscp】” from Dwell On Wheels

Search “宝玑手表507机芯分解图【精仿++微wxmpscp】”

BMW 507 Series
Source: BMW Blog www.bmwblog.com/201...

"Powered by a 3.2 liter V8, that developed 148 hp, mated to a four-speed manual, the BMW 507 was one of the coolest cars of its time. Unfortunately, the BMW 507 was too expensive to make and too expensive to buy, so it didn’t last very long and almost bankrupt BMW."