LVP, how did you manage to plug the etrailer.com bypass module into your x5's harness receiver? the bulbous part on botton of that bypass is too big and strikes the metal trailer hitch receiver. SO I had to make an extension cord to use that bypass. I thought about cutting up the bulbous part on bottom of the bypass module to see if I could get rid of it but I figured it is there for a reason.
here is my harness I made from etrailer.com ordered parts.

OR now from e-trailer they made it super simple. Part C57003 is both an LED cancellor device AND extension cable. so it looks exactly like the part I made but with resistors built in so you dont have to buy the other part 20142 Like I did at the time. D'oh.

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I swear, my cars are like a girlfriend.
Sometimes its a rough ride, sometimes its smooth motorin'.
Sometimes she doesnt like how i treat her and sometimes i dont like how she behaves.
BUT at the end of the day, she loves it when I am inside her.

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'91 850i
'05 X5 4.4i
'09 Clubman S