Audiq72007

Hi ALL, I spilled coffee on my MMI system and my MMI card is not working i tried cleaning i it worked work once but again its not working now. I am finding MMI card for my Audi q7 2007 model, found some put the specs of that card doesn't match please which card can be supported in my MMI system . My MMI card specs are 4L0 919 609 H SW: 4l0 910 609 on the bar code its written : *4l0919609HX type: MMIQ&/EC preheat.Nr: 90025-191/0003 Sernr.: 000 000 005 28885 SW: 0060 G.stand: 07 S HW: H02. please advice what other model card will be suitable for this since I can't find the Mmi card with this specs online.