I am going to revive this thread from the grave.

Im trying to order the hitch kit 71 60 0 413 359 from realoem.com

Now, i think i can do the install myself. I am trying to tow a track car - towing with the car weighs around 5000# (3200 for car + 1500-1700# for trailer)

Should be ok right? I cant afford nice aluminum open trailer so I may just go with Carson Trailer. Im located in socal if anyone can help me with which dealer wouldnt rip me off on the reprogram of this thing.

Seems like installation isnt that bad..

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2012 E70 X5 50i
2011 Prius
2010 GT3