Ehm ..., what I read about the EF 82 is, that it was only planned to be powered by the Jumo 214 !
I've doubts, if such an aircraft, which probably was much heavier, than a Fw 190 would have achieved
a reasonable performance with a BMW 801 engine. At the end of the war, more powerful radial engines
were under development, but I think, the German engine manufacturers were more or less fixed to
inline engines and didn't reach the maturity of e.g. the US manufacturers.
Sorry, I somewhat missed, that we were talking about a radial engined aircraft before, would have expressed
my doubts earlier then. Nevertheless, taking into account the difficulties of the development of a new engine,
there's of course the strong possibility, that, if produced in numbers, the first EF 82 would have been powered
by radials in order to bring them to the front, even at the expense of speed and load carrying capacity.