American Express: $5 Statement Credit w/ a Single Purchase of $25 or more at the Pump at any BP Station

To be eligible to receive the statement credit:

(i) you must have an American Express Card that is synced with Twitter (click for more details on how to sync your Card);
(ii) you must tweet using #AmexBP;
(iii) you must receive a response message from @AmexSync stating that this offer has been added to your synced Card; AND
(iv) you must use your synced Card to make a single purchase of $25 or more at the pump at any BP station by 12/31/13.