86 325es motor

[1986325es]

my car has sat for a year or so i just got everything back together and tried to start it. it will start then die if you hold the throttle open it sonds like its only hitting on the frist three cylinders. so i felt the manafolds the front one was warm from running but the back one was cold any help is greatly appreciated

[Vedubin01]

Test for spark on all cylinders. You can pull a single plug wire with spark plug on manifold to see if it sparks.