BMW 840 Engine Not Running

The Car Had Been Started, Driven Out Of Garage - Then Back In Some 6-7 Weeks Ago. Forgot To Re-couple Battery Charger - But Locked Up...

When You Lock The Doors With Remote Lights Flash , But When U Unlock No Lights Flash , I Jumped The Starter With Ignition On , But Engine...

I Have A Bmw 840ci V8 Automatic Parked For 6 Months With Both Batteries Dead. Got New Batteries And Tried To Restart. The Engine Turns And...