BCM-2 KEYS USED IN AUDI A5, S5

    Audi BCM2 Key with PCF7945 MCU used in Audi A5, models since 2007 to about 2016.

    The manufacturer specifies 8T0959754F, 8T0959754D, 8K0959754H and other 8T0xxx or 8K0xxx parts number.

    Audi BCM2 Key for Audi A5 appear in two versions : with Comfort Access / Keyless ( 8K0959754K for example )  
    and without Comfort Access / Keyless ( 8T0959754A, 8T0959754D for example )

    Operating frequency : Keys for the US market generally working on 315MHz, Europe and rest of world : 868MHz.
    In several models you can find 433MHz also ( 8T0959754F key for example ).
    Transponder chip for all BCM2 Keys for Audi A5 : PCF7945AC MCU