DNA Motoring For BMW X5 E70/F15 Class III Trailer Hitch Receiver Rear Tow Hook Kit Solid All-Welded Design & Construction for Maximum Strength & Safety Able to Withstand Road Abuse & Heavy Duty Towing Purposes to it's Specified Capacities Class III Hitch / 2" Receiver / 6000lbs Max Towing Capacity / 600lbs Max Tongue Weight Bolts to the Chassis of the Vehicle / Mounts to the Frame of the Vehicle Bolt-On Installation / No Drilling Required / Instruction Included