VEMO V20-73-0126 - Oil Pressure Switch. BMW: 1715504, BMW: 1731499, BMW: 9071448, BMW: 12611715504, BMW: 12611731499, BMW: 12619071448. Reference OE/OEM Number : BMW: 1715504, BMW: 1731499, BMW: 9071448, BMW: 12611715504, BMW: 12611731499, BMW: 12619071448.