BMW X5 E53 How To – Trailer Lighting Harness Control The BMW trailer wiring kit, includes the module and the harness plug assembly that is designed to neatly plug into this vehicle harness plug and route through the tail-panel (through a pre-cut access hole, which has a sealing grommet in place) to the towing hitch assembly, providing a fully powered 7-pin round trailer connector plug. The BMW bmw x5 e53 wiring harness | eBay Find great deals on eBay for bmw x5 e53 wiring harness. Shop with confidence. Skip to main content. eBay Logo: BMW X5 E53 | TOW MODULE AND TRAILER WIRING HARNESS | 2000-2006 . Pre-Owned. $329. or Best Offer. Free Shipping. 03 BMW X5 E53 DOOR WIRING HARNESS FRONT RIGHT 8386010 OEM See more like this. Videos of bmw e53 trailer wiring harness Click to view on YouTube12:55Trailer Wiring Harness Installation - 2015 BMW X5 - etrailer3 views · Jan 19, 2018YouTube › etrailerClick to view on YouTube6:27Installation of a Trailer Wiring Harness on a 2011 BMW X5 - etrailer25K views · Dec 28, 2012YouTube › etrailerClick to view on YouTube26:58Trailer Wiring Harness Installation - 2012 BMW X5 - etrailer6K views · Feb 19, 2016YouTube › etrailerSee more videos of bmw e53 trailer wiring harness Trailer Wiring Harness Installation - 2003 BMW - YouTube Click to view4:12Oct 03, 2012Trailer Wiring Harness Installation - 2003 BMW X5 - etrailer BMW X5 e53 dash removal - Duration: Trailer Wiring Harness Installation - 2004 BMW X3 - etrailer - Duration:Views: 16K Trailer wiring harness [Archive] - Bimmerfest - BMW Forums May 26, 2018I have a 2005 BMW X-5 (E53). I am installing a trailer hitch and I can't find the towing wire harness for the trailer lights. BMW said they no longer makes the towing wire harness for the trailer lights. BMW gave me part # 7160009698 and the harness is no longer available.