Hi,I think the BC2 should be on option 2 while the BL3500 should be 6.
Take a look here, it explains how to change the option settings with the Beo4 remote.
http://www.beoworld.org/beotech/mlsetups.htm
Cheers
JK
BS9000, BS2300, BC2, BL2500, BL3, Bl2, BS1, BV8, BC4, A8