One Russian youtuber put an APU onto an old BMW with two configurations, with exhaust off the trunk (https://youtu.be/O2azaxhO6U8?t=362 https://youtu.be/O2azaxh

One Russian youtuber put an APU onto an old BMW with two configurations, with exhaust off the trunk (https://youtu.be/O2azaxhO6U8?t=362 https://youtu.be/O2azaxhO6U8?t=362), but also connecting it directly to the clutch of the gearbox (https://youtu.be/gcJCY8kXEkw?t=199 https://youtu.be/gcJCY8kXEkw?t=199) English article on thedrive https://www.thedrive.com/news/24280/some-russians-built-a-mig-jet-fighter-powered-bmw-e30 https://www.thedrive.com/news/24280/some-russians-built-a-mi...