Yep..your right Pix!
THe was totally redesigined the the new Jumo powerplant., including a deeper rounder radiator bath for engine cooling. The supercharger air intake was enlarged . And the exhaust was different.
The only thing that I could (see) was replaced by compact 'spats' with a telescoping upper collar to allow for oleo compression.
That new revi bombing aiming reflecting sight. And bigger bombs too.
Its from the 'Ju-87 stuka in action' book.