I deal MAINTENANCE AND REPAIR OF ORIGINAL FOR VEHICLES WITH NATURAL GAS (CNG) FOR ABOUT 10 YEAR.I AM INTERESTED TO BUY INJECTOR BOSCH 0280 150 842 FOR NATURAL GAS (CNG) FOR FIATI want to use the injectors for engines with plant natural gas (methane) I am interested in test injectors on an original fiat system to assess the quality and to decide on a possible massive purchase