Im in Australia and i had no options here without cutting an ugly hole for a hitch. So i did some research and decided to import an Execuhitch for my MSport. It arrived last week and the install was easy and you wouldn't know I've got it fitted. If you want pics let me know.

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Current BMW's
2010 e70 X5 M Sport 40d Space Grey
2010 e93 320d M Sport Convertible White

Past BMW's
2006 e60 530i M Sport Carbon Black
2005 e46 325i Coupe M Sport Grey