When installing a roof rack on your 2019 BMW X2 there are two different options that you can choose from.
One option is the flush mounted rails that run front to back, The Thule WingBar Evo Crossbars System includes:
Thule WingBar Evo Crossbars - Aluminum - Black - 53 inch Long - Qty 2 # TH711420
Evo Flush Rail Feet for Thule Crossbars - Flush Side Rails - Qty 4 # TH710601
Fit Kit for Thule Evo Flush Roof Rack Feet # TH186007
This system can hold up to 220 pounds and The Aero-style... view full answer...
While we do have all the components that you need to add a 7-way to your 2019 BMW X2, I do not see that anyone makes a plug and play harness.
You will first need the T-One Vehicle Wiring Harness # 118789 to receive the signals from the tail lights to operate the trailer lights. Then you can connect the Universal Installation Kit for Trailer Brake Controller # ETBC7 that will connect to the 4-way for lights and have wiring for adding a charge line and brake controller to your BMW to have... view full answer...