The 6./NJG 4 when it was based in Tavaux aréa (France) used Do 217 with Schrague muzzik.
One model was loss and used Schrague, note it's one N1/U1 (wk 1488)
see :
http://www.histavia21.net/Do217/SJB001.htm
and one other old page, (never updated and finish (sorry)
http://www.histavia21.net/Do217/II.NJG4.htm
Bsrg, Dan