How to Instal Fit Trailer plug wiring CANBUS caravan BMW X3 F25 Modern Cars Hitch loom 7 Pin Plug

I explain what is required to fit a Trailer Plug on a Modern Car, here on a BMW.
Cars run CANBUS systems which detect changes in Voltage such as a Globe that has burned out. If you all of a sudden add more globes to a circuit like by adding a Trailer or Bike Rack or Caravan then the system will detect this and put up warning lights on your dash.
This video shows you how to stop that from happening.
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Thanks for watching this Mark's reviews and Tutorials video. Mark is not a trained mechanic. Just a car guy that loves to drive and work on cars. What I do here may not work on your car and I am not intending to give professional advice for you to work on your car. But if you do know a bit about cars then hopefully watching these videos will help you to sort out what is going on with your car. Mark is not liable or responsible for any damage you do or things that happen to your car or yourself.
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Talk to a qualified mechanic if you are in any doubt.
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