Hey buddy. Read some months ago that removing secondary butterflies will give you more power (i don't believe that s&$t, there are there, for a reason) maybe that's why previous mechanic removed it. Although i never had a 09 throttle bodies assembly in my hands, i believe that is a correct and easy swap. As i can see, fuel rail is different, just swap it, but keep your old injectors. Keep your old baro and map sensor too. As for tps if fitting is different, use your old fitting (search at workshop manuals of both to identify which wire is 5v, signal and ground) Use same technique for secondary butterflies fitting too. Wish to live near you, would fix in 10 minutes ...