Car stalled, black smoke Fuel injection on dash

[DeeNuttyDJ]

It’ll be the M57NTUD30. The N-series came out in model year 2011 (E70/71 and beyond) along with the 8-speed ZF transmission.

Not sure! Long as it runs after this pump I’ll be happy ha hahaha ! Just got the bottom cover off what a major pain in butt that is.

[X5Sport]

As you’re no doubt learning, BMW make cars to be put together, not taken apart outside the Dealer network without considerable swearing, gnashing of teeth - oh and emptying of wallets

[DeeNuttyDJ]

As you’re no doubt learning, BMW make cars to be put together, not taken apart outside the Dealer network without considerable swearing, gnashing of teeth - oh and emptying of wallets

Well.. seriously at wits end.

New inline pump fitted, new fuel filter
Another rail newer. Then the one on mine removed from a working e53,

Went through the process of cycling the ignition
To remove any air in the system hooked up to another car so we got enough power, fired ignition on after a few times diagnostics plugged in codes cleared, then went to check the rail pressure … beloved 2.1 bar with a new inline pump… so that didn’t help. Anyway tried to fire it
No go, low rail pressure again.




Now my question is. Would a stuck open injector cause this ? And is there any way I can test this even tho car won’t start ? Maybe a leak off set ? And go from there
Would just cranking be sufficient

Or can I disconnect each one and see if the levels increase on the rail

Any suggestions Would be welcome I’m at wits end


Kind regards

[Alan Gunn]

Exact;y the same as mine was.
2 injectors later started first turn every time.
Leak off test time.

[DeeNuttyDJ]

Exact;y the same as mine was.
2 injectors later started first turn every time.
Leak off test time.

Seems that way leak off kit ordered..

Will just cranking it give me results ?

[Alan Gunn]

If you have a good battery that will crank for 30 to 60 seconds.
I would think you will see a lot more fuel in 1 or 2 maybe more bottles.

[DeeNuttyDJ]

If you have a good battery that will crank for 30 to 60 seconds.
I would think you will see a lot more fuel in 1 or 2 maybe more bottles.

Yeah I’ve just chucked my big battery on charge ready, might even go as far as chucking the cars one on charge when I get home from work, I think the second battery will be enough to crank it for 30/60 seconds

[Alan Gunn]

I think if you have some leaking you will see more fuel.
Thing the running test is 2 minutes but cranking foe 1 should show enough to see witch are bad if any.
Get somebody to do the cranking while you watch it might just spew out of one.

[DeeNuttyDJ]

I think if you have some leaking you will see more fuel.
Thing the running test is 2 minutes but cranking foe 1 should show enough to see witch are bad if any.
Get somebody to do the cranking while you watch it might just spew out of one.

Tbh I’ll crank it for as long as it needs, new starter motor I fitted last Christmas should be fine haha

[DeeNuttyDJ]

Sooooo…

This explains a lot 10 seconds of cranking and yup first bottle filled instantly

[Alan Gunn]

Glad you found it.
I will say no more lol.
Apart from it's handy that it is number 1 and not 6 easier to pull out.

[DeeNuttyDJ]

Glad you found it.
I will say no more lol.
Apart from it's handy that it is number 1 and not 6 easier to pull out.

! Explains the fuel pressure loss! And when I started having the issues the black smoke, injector clearly shit itself

Let’s hope when new injector arrives it’s all done

[Leslie]

That looks a fairly conclusive result , I thought injectors were tested already and all in spec though in reality they can go anytime

[DeeNuttyDJ]

That looks a fairly conclusive result , I thought injectors were tested already and all in spec though in reality they can go anytime

Ironically it went from a running car to having a dead injector weeks later ! Madness how it all happens. You’re defo not wrong ! Can happen at anytime ‘ once new injector and that is in I’ll let yous know the result

[DeeNuttyDJ]

Hello everyone ! So injector arrived so thought I’d get on and start pulling the old one to replace. Anyway all goes well then i hit a snag.. found out why it failed

From images you can see the bottom end of the injector has worked its way off.

And seems to be stuck in the hole of where the injector sits

So now any suggestions on how I’d get this thing out would be lovely .. any kinda tool I can purchase that will push out and pull the bugger out

Any suggestions would be perfect