I would have bought already but they went to subscription and the e53 is fairly limited in functions compared with the new cars but for$100 ish probably still the best bet for basic coding like allow rolling up windows with the fob or set which key sets the doors to auto lock and which speed for example.

Feedback is that it does exactly as claimed and they have a list of exactly which coding options are available on the e53 chassis

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2011 E70 • N55 (me)
2012 E70 • N63 (wife)