Accoding to
this webpage the following aircraft will be used:
SX-BVM (757-2G5) 24451/227
SX-BVN (757-2G5) 24497/228
Both 1989-build ex-LTU aircraft (D-AMUM and D-AMUZ respectively). Both parked up @ MUC in a white colour scheme with no titles over the Summer and as billyg said, both leased to Electra Airlines as of Dec 02.