Bank Account

Dear all i have one question about my Bank account. In fact i have a bank account here in BW because i have worked 3 year in Germany (Stuttgart). Now i move to Spain because i found new job and i would like to trasfer the moneys from the BW bank account to Spain (Banc Sabadell). Can you explain me how can i make? is there a limit of the money that i can trasfer? is there any fee/cost for the transfer? Best regards Paolo