[mikeywarduk]

Anybody help I've got a 320d n47 engine I've changed the glow plugs as I had a code come up but since changing the glow plugs I've cleared the codes and now when the car has been left overnight I got to start it and it shakes/misses for a few seconds then everything is fine I've checked for codes and haven't got any any help much appreciated

[Silver Streek]

Sounds like your glow plugs are not working, maybe the controller needs changing. Have you reread the codes since changing the glow plugs?

[mjn77]

Yup. Glow plug failure by the sounds of it.

[mikeywarduk]

Hi I've changed the glow plug controller module not long ago with a genuine beru one yeah I read the codes after changing the glow plugs and I haven't got any codes coming up

[chrissyw]

Originally Posted by mikeywarduk

Hi I've changed the glow plug controller module not long ago with a genuine beru one yeah I read the codes after changing the glow plugs and I haven't got any codes coming up

I've got exactly the same issue as you and I'm looking at injector 2 as the possible cause now.

Changed the controller last week. Cold mornings it's still smoking / shaking for 20 seconds, no error codes like yours.

Injector 2 takes a good minute to stabilise down to a suitable level on INPA I've noticed.

Guessing it's lazy / on it's way out.

It's strange when the temp is over 10 degrees it starts perfectly though

[mikeywarduk]

My fault code was on cylinder 2 of the glow plugs but I've changed then and it all started after changing the glow plugs must be one of the injectors is their anyway to tell

[chrissyw]

Originally Posted by mikeywarduk

My fault code was on cylinder 2 of the glow plugs but I've changed then and it all started after changing the glow plugs must be one of the injectors is their anyway to tell

Get yourself a D-Can cable and use INPA to check the injectors. Got mine off bcables and it's been a god send for finding problems.

You could try some injector cleaner too. Hasn't really made much difference to mine tbh.

What mileage are you on?

[mikeywarduk]

I've tried injector cleaner and not helped it's on 130 thousand I've got the cable and inpa but not sure how to use it to check for the injectors

[chrissyw]

Have a look on YouTube. Failing that I'll plug mine in tomorrow and give you instructions.

[mikeywarduk]

I carnt find anything about the inpa I've plugged it in and it the e90 engine part on the inpa it doesn't list the n47 engine

[chrissyw]

Originally Posted by mikeywarduk

I carnt find anything about the inpa I've plugged it in and it the e90 engine part on the inpa it doesn't list the n47 engine

Which version of INPA have you got?

[mikeywarduk]

It's the 5.0.6 version I have got

[therealdb1]

Originally Posted by mikeywarduk

I carnt find anything about the inpa I've plugged it in and it the e90 engine part on the inpa it doesn't list the n47 engine

Look under different models e.g. E46 or the contemporary 5 series. You might find your engine there.

When I had my Z3 which was an E36/7 I had to use a combination of E36, E39 and E85 to find all of my modules.

[mikeywarduk]

Thanks for the help I will have a look where do I go to check the injectors on the inpa

[therealdb1]

On my software (6.0.1) I can find the N47 engine under E87 1 series.

Unfortunately, to give detailed guidance I need to connect to the correct DME and I do not have one since my car has an N54 engine.

If you go into the N47 DME and hook up your car you should be able to see somewhere live inputs to the ECU from various bits and bobs.

Just run through the available menus but make sure you have a good charge in your battery as these cars can soon discharge a battery when "playing" with INPA. I usually connect a battery charger to the jump start terminals under the bonnet if I am running diagnostics with the engine off but having said that if you want to see live inputs you need the engine running anyway.

It is sounding like maybe you have a leaky injector but that is an expensive route to follow unless you can confirm one of them is at fault.

[mikeywarduk]

If one of the new glow plugs was dodgy then surely it would throw up a code

[mikeywarduk]

I've started the car up this morning and it's 12.5 degrees outside and I'm still getting the glow plug symbol on the dash come up is this right also it smells strong of unburnt diesel

[soulgod123]

i bought bosh ones had same problem changed to ngk - fixed

[Chappers 71]

You could take the spark plugs out after the car has been sitting over night, if any of them are wet with fuel then you have an injector issue.

But as Senny pointed out it's a diesel so you can't take the spark plugs out

[SENNYO1]

Originally Posted by Chappers 71

You could take the spark plugs out after the car has been sitting over night, if any of them are wet with fuel then you have an injector issue.

320d n47 Diesel?

[Chappers 71]

Oh yeah it's a diesel..doh