The intior lights went out and none work. I tryed to put in a new radeo and it wont even turn on. how can I fix the wirering so that it will start working and the radeo will play?

You need to take it to the dealer or have a mobile lock smith program the new key's . Transponder chip in the head of the new key . If the computers - PCM / ECU an the BCM do not get proper code it won't let the vehicle start .

Do you have lights now, and do you have power at the starter from the key switch ?

The solution for the interior lights temp gauge etc. not working is the fuse under the hood as mentioned above.
As for the clock resetting, your battery is probably about to go. The tribeca turns off power to the vehicle if voltage drops below a certain level to save enough power to start back up. This causes the clock to lose memory.

You need to check the crank sensor, this controls tthe injector pulse. If it will attempt to start with alternate fuel but not on its own, it sounds like the injectors arent pulsing, so your not getting fuel. Try the crank sensor first.

u need a new instrument control module bottom of dah under steering wheeel

On the times you try to start it and it dont crank do all your dash lights come on like normal?

The ignition switch is wore out.

same thing was happening to me when i started fixing mine up; when your talking about the starter humming up and not starting the car, i basically replaced all 8 sparkplugs and got a new starter and a new battery. My guess is that maybe your starter has gone out from all the playing and starting back up so often. The vaccum leak is a big deal so get that fixed first, but if u do and it still wont start, do what i did!

This is not a sloution but i had a similar problem about 6months ago. I left the lights on which drained the battery, road assistant came to booost start it, there was power but no turn over, not even a clunk of the engine trying ( all electrics are working and lights in the dash are live), tried a new battery same situation,
I took it to BMW independant specialist who put it down to a ECU fault , i was duped into having a new key made as i had no spare as it was believed the immobilizer had locked the car up so to speak, this didnt work , so the mech ordered a new ecu, and had it reprogrammed and it turned over first time, It was bumpy idling at cold start cos i had my original dead battery but after a day it ran like it used to sweet as a nut.
it was expensive 500 quid to put right, but then you may have better luck with your mechanic.

open starter solenoid. or worn out starter.make sure your battery is 12.5 volts.