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E46 M3 (2001-2006) Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006.


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Old Mon, May-07-2018, 06:31:18 PM   #11
Egone
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Default Re: SMG * 0 bar * Help me find a correlation

i'm going to say its the motor as well. My car was throwing those 2 codes when i took the motor out i looked at the commutator and it was worn down to the plastic. If Hel canada will ever send me my hoses i will have it moved to the drug bin.
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Old Tue, Jan-08-2019, 02:19:40 PM   #12
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Default SMG * 0 bar * Help me find a correlation

I canít believe I forgot to update this thread. I got a PM asking what my final outcome was and realized i never followed up here.

The problem was the SMG motor. I ordered the Burkhart motor from the USA source and over a few days of putting in an hour of work every day, I replaced the motor via the top side.



The time spent cleaning parts took me the longest since I wasnít in any hurry to get it done as I have another vehicle at my disposal. I had the time to make everything spotless and degrease everything that I could reach.

Make sure you have this wrench to undo the hydraulic lines AFTER youíve verified you have no pressure in them:



The tool made it very easy to access without stripping anything.





Using the instructions on that YouTube video, removing the old motor and mounting the new motor on the pump was super easy.



My friend thought he had the pin release tools from his work to pull them out of the connector but that wasnít the case as nothing fit. So we just ended up cutting the lines, stripping, soldering and shrink wrap the connection with ease.



Took the opportunity to give the throttle bodies a good cleaning while everything was easy to access. I also cleaned the ICV even though it was done a year ago but itís so easy to do I might as well since the intake plenum is off.



Once the clean and dry pump was put back into place the fill process started. First I used a squeeze bottle with the Burkhart fluid to fill the SMG pump from the topside where the reservoir usually connects to.



Once the top side was full I slowly dripped the fluid into each hole where the hydraulic lines would bolt to. I wanted to make sure initially that the pump would be filled as much as I could instead of just bolting things up and relying on the reservoir to do all the filling. I think my method ensured that it would be least likely to have air in the hydraulic system making the bleeding process faster.



After cinching everything up it was time to put everything back together.





Then it was time to use INPA to bleed the whole system which took less than 15 minutes. After that I cleaned everything up and did some preflight checks to make sure everything was working as normal when my car is just starting itís day with me.



Parked to get a bite to eat waiting for a friend, I noticed a stranger just approaching the car to check it out. LOL. Everyone loves the E46 lines and bulges!



I can say having the Burkhart wiki, this forum, INPA, and great people around me to guide my common sense...diagnosing this was pretty easy. Replacing the motor was just as easy. I think that if I was in a jam again or some other friend, I could do this whole job in four hours without being mental OCD in making sure the engine bay had no sign of dirt. Haha. Hopefully this wraps up my thread and anyone who has had my problem will be able to fix their car and get it back up and running in no time.

Happy SMGing and being able to bang out shifts and launches like no other!!!
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Old Tue, Jan-08-2019, 02:32:52 PM   #13
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Default Re: SMG * 0 bar * Help me find a correlation

Thanks for posting the update. I'm sure I will hit the same issue sooner or later.
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Old Tue, Jan-08-2019, 06:53:34 PM   #14
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Default Re: SMG * 0 bar * Help me find a correlation

Great thread, glad you got it sorted!
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Old Fri, Jan-18-2019, 02:41:47 PM   #15
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Default Re: SMG * 0 bar * Help me find a correlation

Hey you happen to do the overhaul in the pump, like change any seals inside the smg?. Wonderful job. Now all you need is a smg update on the ECU and smg unit for better shifting parameters and it's flawless.

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Old Fri, Jan-18-2019, 02:50:24 PM   #16
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Default Re: SMG * 0 bar * Help me find a correlation

Quote:
Originally Posted by andrewrivera141 View Post
Hey you happen to do the overhaul in the pump, like change any seals inside the smg?. Wonderful job. Now all you need is a smg update on the ECU and smg unit for better shifting parameters and it's flawless.

Sent from my Pixel using Tapatalk


Didnít change any seals at all. There was nothing to change when I undid it from the hydraulic lines and took it out of the engine bay.

Iíve had full CSL ď255Ē programming since 2015. Itís been a joy to have! Shifting can be brutal or perfectly smooth when I want. It has taken a long time to get timing right just as with driving a fully manual transmission. One thing most will never get the chance to do but make premature assumptions on the SMG system.
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Old Fri, Jan-18-2019, 03:11:22 PM   #17
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Default Re: SMG * 0 bar * Help me find a correlation

Well I figured since you took the motor out that you overhauled the actual smg system by taking it apart and cleaning and changing seals.. yeah the 255 is awesome I can't wait.. can't wait to install the burkhart either that I purchased like last year. Lol.. . Awesome

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Old Fri, Jan-18-2019, 03:14:16 PM   #18
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Default Re: SMG * 0 bar * Help me find a correlation

Quote:
Originally Posted by andrewrivera141 View Post
Well I figured since you took the motor out that you overhauled the actual smg system by taking it apart and cleaning and changing seals.. yeah the 255 is awesome I can't wait.. can't wait to install the burkhart either that I purchased like last year. Lol.. . Awesome

Yeah decided not to fix what isnít broke and what I donít hear doesnít fail often. Only touch the things that others mostly have a problem with.

I plan on swapping to manual sometime just because I want to have something fully reliable. My previous ZHP 6MT has zero failures or problems in the eight years that I owned it and I want that peace of mind back for when I make long road trips through the middle of nowhere.
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Old Sat, Jun-08-2019, 07:22:26 AM   #19
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Default Re: SMG * 0 bar * Help me find a correlation

smg center peace2.jpg
Quote:
Originally Posted by rovert604 View Post
I canít believe I forgot to update this thread. I got a PM asking what my final outcome was and realized i never followed up here.

The problem was the SMG motor. I ordered the Burkhart motor from the USA source and over a few days of putting in an hour of work every day, I replaced the motor via the top side.



The time spent cleaning parts took me the longest since I wasnít in any hurry to get it done as I have another vehicle at my disposal. I had the time to make everything spotless and degrease everything that I could reach.

Make sure you have this wrench to undo the hydraulic lines AFTER youíve verified you have no pressure in them:



The tool made it very easy to access without stripping anything.





Using the instructions on that YouTube video, removing the old motor and mounting the new motor on the pump was super easy.



My friend thought he had the pin release tools from his work to pull them out of the connector but that wasnít the case as nothing fit. So we just ended up cutting the lines, stripping, soldering and shrink wrap the connection with ease.



Took the opportunity to give the throttle bodies a good cleaning while everything was easy to access. I also cleaned the ICV even though it was done a year ago but itís so easy to do I might as well since the intake plenum is off.



Once the clean and dry pump was put back into place the fill process started. First I used a squeeze bottle with the Burkhart fluid to fill the SMG pump from the topside where the reservoir usually connects to.



Once the top side was full I slowly dripped the fluid into each hole where the hydraulic lines would bolt to. I wanted to make sure initially that the pump would be filled as much as I could instead of just bolting things up and relying on the reservoir to do all the filling. I think my method ensured that it would be least likely to have air in the hydraulic system making the bleeding process faster.



After cinching everything up it was time to put everything back together.





Then it was time to use INPA to bleed the whole system which took less than 15 minutes. After that I cleaned everything up and did some preflight checks to make sure everything was working as normal when my car is just starting itís day with me.



Parked to get a bite to eat waiting for a friend, I noticed a stranger just approaching the car to check it out. LOL. Everyone loves the E46 lines and bulges!



I can say having the Burkhart wiki, this forum, INPA, and great people around me to guide my common sense...diagnosing this was pretty easy. Replacing the motor was just as easy. I think that if I was in a jam again or some other friend, I could do this whole job in four hours without being mental OCD in making sure the engine bay had no sign of dirt. Haha. Hopefully this wraps up my thread and anyone who has had my problem will be able to fix their car and get it back up and running in no time.

Happy SMGing and being able to bang out shifts and launches like no other!!!

i have a question i few weeks ago i change the motor on the smg under the car, so i didn't removed the whole unit. I notice that the center peace came off and i just put it back is that normal or maybe that's why my smg doesn't hold the pressure , i reused the picture to show what center peace i am talking about, i did replace the smg relay but not the fluid still the same since i guess 2008 , Thanks for the comments and help



smg center peace2.jpg
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Old Sat, Jun-08-2019, 07:45:31 AM   #20
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Default Re: SMG * 0 bar * Help me find a correlation

Quote:
Originally Posted by Trans3900 View Post
i have a question i few weeks ago i change the motor on the smg under the car, so i didn't removed the whole unit. I notice that the center peace came off and i just put it back is that normal or maybe that's why my smg doesn't hold the pressure , i reused the picture to show what center peace i am talking about, i did replace the smg relay but not the fluid still the same since i guess 2008 , Thanks for the comments and help
I do not recall the centre piece loose in mine. It was totally solid. It looks like you may have a working motor but it's spinning in free air. You may need to check it out further to see if it can be repaired.
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Discussing SMG * 0 bar * Help me find a correlation in the E46 M3 (2001-2006) Forum - Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006. at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)