Other option is Paypal. Tell him to send you the money via Paypal, hand over ownership and keys once you have it. Usually takes half hour for transfer to your bank account. Other option is email money transfer thru his bank.
Current - 2016 340xi M-Sport, BSM w/ Coral red interior, 6MT, Premium package enhanced, M-Sport package.
Previous - 2013 335i Sport Line Sapphire Black 6MT with Premium Package, Extended BT, BMW Assist & Lane Departure Warning System, M Sport Suspension & VSS