Help plzzz my e30 325i spluttering/missing

[naz52]

Hi everyone got a problem with my 325i the car is missing/splutters on 3000 revs or on hard revs if u Rev it slowly it's ok but don't go past 3000 revs and start to miss I have changed few things like / the fule pressure is always on 2 bar

Spark plugs and leads
Dizzy cap
Fule pressure regulator
Fule pump
Ecu
Temp sensor the brown and blue
Injectors and rail
Air mass
Coil
Checked the timing
That's it I think
I hope u guys can help me I have given up

[Gavt]

I'm pretty sure it should be a 3 bar fuel pressure reg.

[naz52]

It is Ment to be on 3 bar but mine only stays on 2 bar

[Brianmoooore]

It is Ment to be on 3 bar but mine only stays on 2 bar

Well, in that case, you either have a faulty/wrong FPR, a failing fuel pump, or a severely blocked fuel filter.
Run the fuel pump by bridging 30 and 87 on the pump relay, measure the pressure, then see what happens when you clamp off the fuel return hose.

[naz52]

Hi I have tried a pipe form the fule pump direct to the main to the rail still the same a˜”

[Brianmoooore]

Get a pressure gauge on it and see what's happening.
The ideal way of car fault finding is to test and test again, until you can say with certainty that the part or parts you then fit will cure the problem. Before this, nothing should have been renewed, and as few parts disturbed as is possible.
Your way of random part changing runs the real risk of introducing faults that you never had before, either by disturbing potentially bad electrical connections, fitting faulty new or second hand parts, or by fitting incorrect parts or parts fitted incorrectly.