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  #1  
Old 04-11-2018, 10:55 AM
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Unhappy HELP! Won't start after replacing glows plugs + glow plug module

Hi all,

I should start by saying my 35d E70 was occasionally stalling before I replaced the glow plugs + module. I knew there was an issue with the glow plugs and/or module as it was throwing error codes in Carly BMW so thought I would swap them out to see if it resolved the stalling issue. I have since read that the stalling issue may be due to a faulty injector so that was next on the list.

5 of the 6 glow plugs came out fine but one was just spinning so I left that one in place until I can get someone to remove it in the near future. O:-)

While I had the intake manifold off I also carried out the EGR and swirl flaps delete.

Put everything back together and it will not start! Turns over fine but just wont fire. >

I did spray some EGR cleaner down the ports to remove carbon so not sure if this may have caused the issue?

Looking at the error codes I'm guessing the new glow plug module may be faulty or connector not inserted fully but would this cause the car not to start on a warm day?

Any advice greatly appreciated!!


These are the error codes after each start of the car:

Engine/Motor:
  • Glow plug cylinder 1, control - 004212
  • Glow plug cylinder 2, control - 004222
  • Glow plug cylinder 3, control - 004232
  • Glow plug cylinder 4, control - 004242
  • Glow plug cylinder 5, control - 004252
  • Glow plug cylinder 6, control - 004262
  • Rail pressure control valve control - 004332
  • Trottle, Control - 0043E2
  • Boost pressure sensor - 0041AB
  • Power management battery - 004A56
Transmission:
  • Embassy transmission data - 00CF34
  • Message -group error 2 - 00CF2B
Gear switch:
  • Lever invalid position/UNDERVOLTAGE - 00A83A

These are the error codes remaining after clearing down the codes:

Engine/Motor:
  • Rail pressure control valve control - 004332
Gear switch:
  • Lever invalid position/UNDERVOLTAGE - 00A83A
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Last edited by PhilUK; 04-11-2018 at 12:29 PM.
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  #2  
Old 04-11-2018, 04:14 PM
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Rail pressure electrical connector is right by the EGR. Have you checked that out? How much EGR cleaner did you spray inside the engine? You may want to change your oil.
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  #3  
Old 04-12-2018, 02:25 AM
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Quote:
Originally Posted by PhilUK View Post
Turns over fine but just wont fire. >

I did spray some EGR cleaner down the ports to remove carbon so not sure if this may have caused the issue?

Did you read any info about CBU removal before doing this?
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  #4  
Old 04-12-2018, 04:46 AM
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Quote:
Originally Posted by AlpineX View Post

Did you read any info about CBU removal before doing this?
Yes, read about someone doing this on a thread on this forum. I guess you shouldn't believe everything you read!

What is the problem with spraying EGR cleaner down the ports?

Any advice on the cause of my non starting issue?
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2009 E70 X5 35d M-Sport
Black Sapphire / Tan Leather - LCI Tail Lights

Sold - E53 X5 3.0d Sport
Black Sapphire / Black Leather - OEM 214 type alloys - Wheel Arch Extension Kit - Depo A/E Headlights - 55w HID's - LED Tails - M3 S/Wheel - Black Kidneys - LED Int Lights.

Sold - E53 X5 4.4i Sport
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  #5  
Old 04-12-2018, 05:05 AM
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Quote:
Originally Posted by smassey321 View Post
Rail pressure electrical connector is right by the EGR. Have you checked that out? How much EGR cleaner did you spray inside the engine? You may want to change your oil.
Yes, all connections have been checked apart from the glow plug module as it will mean another strip down. Do you think that I am getting error codes for all glow plugs means the issue is with the glow plug module?
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2009 E70 X5 35d M-Sport
Black Sapphire / Tan Leather - LCI Tail Lights

Sold - E53 X5 3.0d Sport
Black Sapphire / Black Leather - OEM 214 type alloys - Wheel Arch Extension Kit - Depo A/E Headlights - 55w HID's - LED Tails - M3 S/Wheel - Black Kidneys - LED Int Lights.

Sold - E53 X5 4.4i Sport
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  #6  
Old 04-12-2018, 05:57 AM
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You might not have seated the connector to the module properly. There was another thread about a similar issue
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  #7  
Old 04-12-2018, 06:12 AM
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Quote:
Originally Posted by blue dragon View Post
You might not have seated the connector to the module properly. There was another thread about a similar issue
Thanks for the reply blue dragon.

I had read the other thread relating to glow plug module connections which got me thinking that may be the issue.
https://xoutpost.com/bmw-sav-forums/...ol-module.html

Am I right in thinking that the car wouldnt start at all if the module isn't properly connected?

I am going to have to take the intake manifold back off to get access to the module so will it be safe to crank the engine with the intake manifold removed to see if I am still get error codes for the glow plugs after checking the connections on the module? I would rather test before replacing the manifold if possible.
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2009 E70 X5 35d M-Sport
Black Sapphire / Tan Leather - LCI Tail Lights

Sold - E53 X5 3.0d Sport
Black Sapphire / Black Leather - OEM 214 type alloys - Wheel Arch Extension Kit - Depo A/E Headlights - 55w HID's - LED Tails - M3 S/Wheel - Black Kidneys - LED Int Lights.

Sold - E53 X5 4.4i Sport
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  #8  
Old 04-12-2018, 09:00 AM
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Quote:
Originally Posted by PhilUK View Post
... will it be safe to crank the engine with the intake manifold removed ...
I'm no expert here but I would image it would be 'safe' in the loosest sense of the word.

You certainly don't want anything near it that could be sucked in / fall in. No dirt, debris, tools, dangling electrical connectors etc.

Just my two cents, but I keep learning that taking short cuts with the X is usually a bad idea in the long run.
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