Hi
if i understand you correctly.. you are concerned about the deprecation for each asset after you transfer the only asset to many asset as it would be from the beginning .. i also suggest to use T-code ABUMN to post the value of this asset to many asset using Multiple asset and you can enter asset value date which you would the system to re-calculate the deprecation from it retroactive.. " you can use only one value date for the whole transaction of transfer within the company"
Regards
Mahmoud EL Nayd