4Pcs Upstream & Downstream Oxygen O2 Sensor For BMW 750Il X5

table.tableizer-table { font-size: 12px; border: 1px solid #CCC; font-family: Arial, Helvetica, sans-serif; } .tableizer-table td { padding: 4px; margin: 3px; border: 1px solid #CCC; } .tableizer-table th { background-color: #104E8B; color: #FFF; font-weight: bold; } Make Model Engine Year Notes BMW 750IL V12-5.4 2001-1999 ;2 Upsteam & 2 Downstream BMW 750IL V12-5.4 1998 M73N Engine;2 Upsteam & 2 Downstream BMW X5 V8-4.4 2003-2000 2 Upsteam & 2 Downstream BMW X5 V8-4.6 2003-2002 2 Upsteam & 2 Downstream