HELP! 04 M3 won's start after wreck!

So I bought this M3 SMG last week....the driver backed up into a pole and wrecked the rear end....I replaced the BST positive cable....and retracted the roll bars...and nothing! I pulled the codes and it's giving a solenoid code from the tranny....once I reset the code it only cranks but no start....I can't even hear the fuel pump running...after a while the code pops back up and I'm where I started again..with no crank or anything! It's been a week and I'm just very frustrated...can someone give me some advice please!!! I paid 8k for the car a good deal but without start I'm screwed :/ Where is the fuel cutoff switch?

a good idea is to check the fuel pressure i recommend buying a book on your car it should tell u where that switch is but for hell of it check the fuel pump relay its takes seconds to do and a lot cheaper then on fuel pump. or maybe there a a bad connection to the fuel pump when it was i the fender bender maybe is disturbed the connection