4MoJoe - any issues with your controller? Mine works great, but I get a light out error code (even when using the inline resistor that is supposed to fix the error) and the X5 keeps turning off power to the running lights on my trailer with LEDs. The dealer has had the car on 4, 5, or 6 different days (lost count) and cannot solve the issue. BMWNA claims to have never heard of the issue and has not been helpful at all.
Anyone have ideas?
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Originally Posted by 4MoJoe
I have that controller on my boat trailer and used it for the first time last year. It worked perfectly. There is a wireless transmitter that you plug into a power outlet in the car with a long cable that you use to adjust the brake force, and has the status read out on it.
The box that mounts on the tongue of the trailer is quite large but there was plenty of space on my boat trailer to do it. I've used Tekonsha products for years and have had very good luck.
I chose this route to avoid the hard wiring of the existing controller I had and also because I remember what it took to get this to work on my E53, which it did, but the job was just tedious. I thought, from the research I did on the E70, that I didn't want to go through it again.
So to short hand it, it works flawlessly, I like that I can remove and stow the in car controller as needed so it's not an ugly addition to my dash.
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