Bbs Wheel Valve Stem Adapter Filler Tube Bbs 0915081 Billet Aluminum FV RS RZ BOV Flange Blow off valve Vicedeal BBS Flladapter RS2 Felge 09.15.081 Adapter (Luftprfer) fr JAGUAR BBS VALVES X 4 for XKR XK8 RS2 Alloy Wheels 67.94 PicClick UK BBS Valve Steel 11.3mm BimmerNetwork Bbs Wheel Valve Stem Adapter Filler Tube Bbs 0915081. A BBS valve stem adapter is a special tool needed to inflate tires on BBS RSII or RS2 split rim wheels because these wheels feature a patented hidden valve stem design that standard air chucks cannot operate. The adapter converts the hidden valve into a standard Schrader (or Presta) type valve, allowing you to use a traditional air pump to inflate your tires. The genuine BBS part number is often 09. 15. 081 or 09. 15. 072 Inflation adapter for BBS RSII wheels Replaces 09. 15. 072