CURT Manufacturing 13107 Features: Sealed Main Body Prevents Rusting From Inside Out Open Back End On Receiver For Easy Cleaning One-Piece Collar Reduces Rust And Ensures Strength Exceeds V-5 Standards Durable Powder Coat Finish Resists Rust/Corrosion Robotic Welding For Superior Strength And Fit Limited Lifetime Warranty To Original Purchaser Height: 15.00 Width: 7.00 Length: 44.00 Weight: 46.00 lbs Vehicle Type: CURT Manufacturing Fitment: 2017/BMW/X4/xDrive28i Sport Utility 4-Door/2.0L 1997CC 121Cu. In. l4 GAS DOHC Turbocharged::RearDrilling Not Required~ Undercar Trimming Required~ Main Body Concealed~ Temporary Bumper Removal~ Install Time 90 Minutes^^2017/BMW/X4/M40i Sport Utility 4-Door/3.0L 2979CC l6 GAS DOHC Turbocharged::RearDrilling Not Required~ Undercar Trimming Required~ Main Body Concealed~ Temporary Bumper R...