4Pcs Upstream & Downstream Oxygen O2 Sensor For BMW 325Ci 325I

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 325CI L6-2.5 2006-2003 M56 Engine ;2 Upsteam & 2 Downstream BMW 325I L6-2.5 2005-2003 M56 Engine ;2 Upsteam & 2 Downstream