Battery Drain?

[paul1994]

Hey all,

I bought my X5 about from sound ford to test drive it they had to to jump start the vehicle . I thought nothing of it and did not worry about it. After I test drove it and went in and purchased my baby we started the car up just fine and went home. The next morning when I went to start my car I get flashing lights and a clicking noise. THe battery is dead. I got my multimeter out and check the voltage on the battery and it read ~10 volts so I new the battery was not holding a charge or something. I jump started the vehicle ( I hope I did not cause any more problems by doing so with my boost pack) and check the voltage again and it read around ~14v so I think the altenator is good.

So I call the dealership and talked to my sales guy and he told me let's take it to there service department. (Mind it the car runs fine after it runs for a little while and is not left for a long period of time). I get over there and the service guy is trying to see on the dash if there is anything saying it's a bad or low battery. He did not find anything so he looked at the key and said this is the valet key. if you use this key to lock it up, it will not fully turn everything off so you will have a battery drain with out the Master key .. ( i think it is a bunch of BS but, what do I know it's my first BMW)

So my question is with the key in this picture I am including ( valet key) will it not fully turn off everything in the car and cause a battery drain?

Will I need the master key ( which is on order) to disengauge evrything and not cause a battery drain.

Also is there a proper way to jump start my X5 with out damaging anything?

So if you guys tell it is a bunch of BS about the battery I will go buy one and install it myself. If any one has any tips on what I need to do to change the battery please let me know.

I know this is a long post but I appreciate any help or advice.. Thanks. Almost satisfied BMW X5 owner.