I hear you about heated seats...i'm not sure but maybe it is pre wired ...maybe somebody in the forum can anwer you on this...

Or i found this for you here in MTL : 56kil !!

J’ai vu cette 2006 BMW X5 sur l’app iPhone d’autoHEBDO.net
BMW X5 *NAVIGATION* $299 MOIS* 2006 pour 17*995 $ à MONTREAL | autoHEBDO.net

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2006 X5 4.4i premium, Sport package ,Winter Package, Sat Nav. AFE Power stage II Production : 08-2006
2012 BMW 128I Convertible Black
2011 Mercedes Benz B200 sold