325I head on 325E block turbo set up help!!!

[dajoker1292]

okay so recently i was crying for help due to my car not starting. GREAT NEWS IT STARTS!!! BUTTT!!!!!!!!! it idles and thats all it can do :hitler:
as the title says its a 325i head on a 325E bottom with a turbo set up.
now for my problem... the engine will idle AMAZINGLY! first turn over crank type of starting. sometimes it may take longer to start but rarely... but the problem im having is if i give it the slightest amount of throttle (coming out of the car and turn the throttle body to the slightest, it will begin to stall or shut off.... if i do full throttle it will rev up but then die (sounds like at 4k rpm... ive tried different computers. adjusting fuel for more fuel.. no idea. any help? and the problem with the car why it wouldnt start before was because it had the wrong CPS.. any help would be appreciated.

[Bmwb]

what ecu are you useing , you say that its turboed if the car is turboed it needs a tune to idle and run proper or it will just run like shit , if your useing a chip it would help if u put what chip your useing etc ,

[dajoker1292]

crap.. i have a stock ecu. so to get it to run what will need to be done? i have stock and upgraded injectors (i believe its 650cc injectors) and a fuel pressure regulator (it was someone elses project) but he gave up and i was stuck putting the pieces together.

[Swanny]

Megasquirt dat shiz

[jlevie]

As stated above, any significant changes in the mass flow through the engine require different fuel/spark maps in the DME (a tune). There are certain configurations where you can get a chip with a proper tune. But a turbo needs a custom tune, which means time on a dyno and a WAR chip or similar if using the stock DME.

I'm skeptical of attempting to use the stock DME with forced induction. While you can change the fuel & spark maps, the basic programming of the DME can't be changed and it expects the characteristics of a stock engine. A far better choice, that will allow proper tuning, would be a MegaSquirt and dyno time. And that is the only way I'd attempt to do FI.