immobilliser

Hi first time on her so please bear with me. Right ive got a 1998 bmw 523i I changed the battery yesterday when i started the car it fired for 2 seconds then just stopped, I noticed that there is no petrol going to the injecter rail, but i can hear the pump priming, ive checked the fuel relay...

Hi first time on her so please bear with me. Right ive got a 1998 bmw 523i I changed the battery yesterday when i started the car it fired for 2 seconds then just stopped, I noticed that there is no petrol going to the injecter rail, but i can hear the pump priming, ive checked the fuel relay...

OK this is bit weird but someone might be able to help. Well every so often on the 730i if you stop and pop out car for 5 min then go back to it and try and start car it won't start. You then have to lock the car for 15 min and then re open and try and start again. Anyone had this problem at...