This kit is needed to recharge MOTOAIRBAG? in case of activation without impact. In case of impact please require the service "Revision after Impact"(D5005) The recharge kit contains 1 bottle and 1 recharge tool, instructions (video on line) Recharge kit is compatible with all version of MOTOAIRBAG?: v1.0 (all) v2.0p (D4020) v2.0c (D4022) front airbag kit (D5011) The operation is mistake free.