Give your 2008 - 2013 1 SERIES that wider and sportier look. These fenders work with the OEM bumper and increase the width about 15mm. With these fenders you will be able to run meatier tires to help alleviate understeer issues that the 1 series is known for or allow for a more aggressive stanced setup. These fenders are made out of fiberglass and are sold as a pair. They can be done with the holes for the 1M side marker or filled in for that clean look. (please specify in the message area during check out.) You may need to purchase the following items in order for the fenders to be installed properly: 1M Washer bottle Left and right side markers off the 1M Left and right side gaskets for 1M side markers *Item sold are the right and left Front Fenders only (includes smaller fender liners) Please allow 1 -2 weeks before shipment as these are custom made. Made in the U.S.A.