I think they will be dealer/TPS only part
12- 078 103 224 R dealer price £79.85 inc VAT
13- 078 103 223 B dealer price £20.06 inc VAT
Not really OK to drive with them off as unmetered, unfiltered air will be entering engine. This will cause lean running and might result in unstable idle/stalling. At least tape them up by duct tape or join by rubber hose in meantime.