Subject: air duct for brake disc Side: left (driver's side) OE Number: 51748054229 NOTE! The above numbers are the numbers of original parts for which the item in this offer is a replacement. Before purchasing, they must be absolutely compared with the number of the original part being replaced. If they differ by even one character, this part will not fit, or will not work, or will not work correctly. In such a case, do not buy it. Car: BMW 3 F30 F31 M-PACKAGE Year of production: 2012-2019 Manufacturer: replacement Technical condition: the item is brand NEW, unused, undamaged and in perfect condition Note! fits only M-PACKAGE version