car just totally died

[AlpineAce]

Hey Guys, Im new here, My previous car being an e39 540.

So I got this 06 4.8is this past spring. and a handful of minor issues, but it was fairly reliable. until a couple weeks ago, when at a stop light it started to freak out. First I got "trans failsafe"... I drove through the stoplight about 100 yards and the rest of the dashlights started to go on light a chrismast tree. I pulled over. and nothing was repsonding. I could press the gas pedal and it did nothing, a few minutes later it finally dies.

turning it off and back on, I got the alarm going off and it was asking for a "code" with time clock.

next day seems like the battery was almost dead, (but it was started and ran like normal for at least 15min before this happened) Tried to jump it at the contacts in the engine bay and saw a spark and smelled a whif of burned electronics, and now gets no power through those contacts.

So I manually opened the rear hatch and connected directly to the battery where It did get power, with my jump box. But again turning the key just sets of the alarm and ask for the code


(BTW is there anyway to disconnect the siren??, that is irritating as hell)

really need to get this running again!!

thanks!