Trailer Hitch and Active Wiring Harness for 2019 BMW X4 xDrive40i
Updated 11/17/2025 | Published 12/03/2024
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Question:
Looking for trailer hitch and Active wiring harness for 2019 BMW X4 xdrive40i. VIN: 5UXCR6C53KLL05165. Any suggestions? Thank you.
asked by: Vince I
Expert Reply:
Hi Vince; for a hitch you can use the Curt # C99RV. If you would prefer a completely hidden design like the Stealth Hitch you were looking at then the correct one is the # SH75VR. The Stealth Hitch comes with the towing kit that has the required ball mount, safety chain looks, and your standard wiring.
As far as I know, none of the aftermarket wiring will be "Active" and able to interact with your towing mode on the BMW. I would reach out to your local dealer to see if this is possible. I did find on some forums that other BMW owners said it could be coded to the vehicle making it active wiring but, there was a lot of uncertainty surrounding the topic and it looks like Stealth Hitches doesn't have an answer on this.
One way or another, you will have to take it to the dealer for them to turn on the towing mode that would potentially tie the two together. You may find that the only option for active wiring is the OEM wiring harness.
Product Page this Question was Asked From
Stealth Hitches Hidden Rack Receiver - Custom Fit - 2"
- Trailer Hitch
- Not for Towing
- 600 lbs TW
- 2 Inch Hitch
- Completely Hidden
- Stealth Hitches
more information >
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on Trailer Hitch
Robin H.
11/17/2025
Hey Vince, were you able to find a solution for the active wiring on your BMW X4 after checking with the dealer? Knowing what worked could help others trying to get their towing mode connected too.