You have to read the current module on your E53 and see which version it's equipped with.
ALWAYS save the original TRC file after your reading just in case you need it back. Use NCSDummies to manipulate and export MAN file. It's very user-friendly, unlike NCSExpert.

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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)