Make sure your 06 E53 comes with Bluetooth module. There should be a passcode on the sticker of the module. Usually it's in the left compartment in the back. There're procedure posted all over the internet. I'm sure Qsilver7 posted it here before too. Use the "Search this forum" function.
BTW, bimmer = BMW car, beemer = BMW motocycle, beamer =

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00 E39 DINAN S1 //M5 (82k miles)
06 E53 DINAN 4.8iS, born 2/18/2006 (126k miles) http://www.xoutpost.com/bmw-sav-foru...s-my-dslr.html
90 Straman Z32 TwinTurbo Convertible, (1 of 44 ever made) 5 speed, 444rwhp/451rwtq
01 360 Novitec Spider F1 (26k miles)