engine cutting out 318is help please

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o.k so had the fuel pump replaced in my 318is was driving tidy up until yesterday when it cut out on me twice, once waiting at traffic lights, and 2nd time was when pulling off(no i didn't stall it) it also went to die on me when on the move but i dropped the box and kept the revs up high until i got home.
Also sometimes it's not idleing right

[DaveMcleod88]

did it just turn off dead or slowly die to a stop? plugs on top of the fuel pump might be loose this happened to mine

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just turned off dead, thanks for replying

[A18RPF]

Does the problem persist with the tank filled with petrol ?

[TheDutch]

had the fuel pump replaced

With a new one?

[Captain_Birdseye]

hmm... do e30s have an Idle Control Valve? If not then it could still be a hole in an air pipe? That would make it cut out unless revs where high and effect the idle. If I'm wrong about the hole it still won't take much time to check.

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hiya thanks everyone, yes fuel pump is definately new.i filled the tank up when i picked her up from the garage, but it cut out on 1/2 a tank, hasn't happend since the two times i mentioned above. have to add i'm not a mechanic, and you know whet bulls.hit garages feed females sooo.... in all honesty i don't think there was anything wrong with the immobilizer, i ended up paying £350 for all the work, petrol pump and an auto electrician to sort out immobilizer, skanked but what can i do

[BHadley]

Fuel filter changed recently? Or with the pump?
Cured my 318i a few years back when I had a lack of power then a big serge of it!

Build up of crud at the bottom of the tank plus running the fuel very low could cause a blockage or low flow resulting in running problems...

You Could check the air intake pipes big and small on the passenger side of the engine bay with brake cleaner, if there's a leak the engine revs rise, think there is something about it in Zone wiki.......

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Fuel filter changed recently? Or with the pump?
Cured my 318i a few years back when I had a lack of power then a big serge of it!

Build up of crud at the bottom of the tank plus running the fuel very low could cause a blockage or low flow resulting in running problems...

You Could check the air intake pipes big and small on the passenger side of the engine bay with brake cleaner, if there's a leak the engine revs rise, think there is something about it in Zone wiki.......

thanks will get that checked appreciate ur help peeps!

[Speedtouch]

Check the connection to the fuel pump; perhaps the garage didn't fit it securely enough...

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will do, it wouldn't suprise me, thanks again everyone for all of your advice, hasn't done it again, but i'm paranoid about it now so needs to be sorted

[Speedtouch]

Also check the fuel pump relay; try swapping it with a known good or new one.