Hi BMW 320d 2002 model reconditioned injectors, rings and cylinder head. The car is cranking what could the problem be please help..

Hi it seems like key is not responding. Its been immobilised.
you need to get some one down to get the key to be read by the car. Possibly need the car key reprogram

Glow plugs are to warm the cylinder in cold weather. It will not stop it from running.

check the cylinders compression, if below to 95 psi remove the spark plugs then check if wet with fuel ,
if this condition exist , It is very possible that you have to recondition the pistons, rings or cylinders

If you have fuel to the cylinders and its not even trying to start you most likely have no spark ! Possible timing belt broke

injectors are sealed where they go in the manifold by "O" rings
If you didn't use new "O" rings when replacing the injectors or used lubricant like grease to help install the injector through the rings ,it is possible that fuel pressure is allowing fuel past the injector tip into the cylinder.

Coolant is getting into one of the cylinders of engine , head gasket , a crack in the cylinder head or engine block !

Poor grade of fuel can cause it. Check the camshaft sensor and the map sensor. Those control the amount of fuel injected into each cylinder.

Diesels can use lots of fuel mainly when the injectors and/ or pump need reconditioning. When the air filter is dirty and needs changing. When the accelerator doesnt' go to full throttle on the stop setting but has clearance to the stop screw. When the engine oil is too heavy from not being changed often enough. When the fuel filters need changing

i had a similar problem on my 2002 E46 320d, i put it to BMW who changed the fuel filter and a fuel sensor then hey presto normal service resumed! hope this helps