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Faults, Fixes and DIY Please share your experience and knowledge with other members by contributing your own DIY, or by helping another member find the elusive fix!


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Old Wed, Feb-22-2017, 01:01:35 AM   #71
PeteyyPab
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Default Re: DIY Guide: E46 M3 SMG Clutch

Nate,

you will be good to go.

When you turn on the ignition the Gear ID switch (back of the actuator) will sense what gear it is in and move it to neutral. no adaptation for the gear id side.
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Old Thu, Feb-23-2017, 02:17:36 PM   #72
nateregouski
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Default Re: DIY Guide: E46 M3 SMG Clutch

PeteyyPab, you were right. After powering up there were a few clunks and noises and the car went into Neutral fine. I ran the adaptation with INPA and got a few error codes on the last set (Error 59 clutch control). Took it for a short drive and EML light was on and car was in snail mode. I went inside to troubleshoot, but when I came back out to reset the codes EML light went off and it drove like an angel. When I fired it up this morning no check engine or EML light either. So I'll re-run diagnostics again today and make sure all is well but at this point looks like all is well.

I am going to summarize some tough steps I encountered doing this job tonight and post to this thread. I greatly benefited from others input and want to further the cause. For the record, I had the broken compression spring that so many others have encountered, and also a rattle in the transmission area (rattling clutch fork I think). Both were resolved by this job.
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Old Tue, Aug-08-2017, 01:14:05 AM   #73
hemi8
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Default Re: DIY Guide: E46 M3 SMG Clutch

Worth every single solitary penny to have Frank Smith's shop replace the clutch. You really need a lift for this job unless you want to torture yourself.
After 192k the SMG clutch was still in great shape, the car was giving me a shutter coming out of first and reverse when the car was hot. Flywheel was shot which was causing the shutter, it has springs and rubber between the inner and outer parts and they were plain worn out. Replaced all the transmission springs as well, they were broken as expected. The slave cylinder could not handle the stiffness of the new clutch and took a dump immediately so that was replaced as well. So if you do this work on a high mileage car do yourself a favor and replace the flywheel and slave cylinder without question along with the clutch.
Still on the original SMG pump, recently moved to the drug bin and replaced the accumulator and the motor, bangs every gear harder than ever.

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Old Tue, May-01-2018, 03:36:56 AM   #74
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Default Re: DIY Guide: E46 M3 SMG Clutch

Thanks for this awesome writeup. As others have mentioned, the lack of pictures is fine once you get down there and follow the thoroughly written steps.


Quote:
Originally Posted by rockdogz View Post
Thank you for this DIY...

For anyone else who may be struggling to get the actuator rod dowel pin back in, I had to put a small screwdriver in the hole in the center of the actuator rod and rotate it a few degrees counter clockwise (it should only go one direction) in order for the hole to line up. The pin actually goes in rather smoothly after doing this...if you are really having to wedge/smack it back in, then the hole is not lined up so stop.
This was a big help to me. Putting some rotational tension on that rod really helped when removing, and reinstalling the dowel pin. For me, another thing that helped was having the actuator bolts removed before attacking. The extra millimeters of play on the actuator bracket let me get a better angle with my small allen key that I used to push out the pin.

Putting the pin back in was definitely harder for me, compared to removing it. I pushed from driver to passenger side when removing, and did the reverse when reinstalling. While the actuator is off, I think it's a good idea to try inserting the pin into rod alone to see what kind of tensions you'll be dealing with. For me, the pin doesn't easily slide through all the way. It slides in half way, and then I needed to squeeze with some needle nose locking pliers to have it "snap" into place. When it came time to reinstall the pin with the actuator in place, I was able to get it inserted half way. Since I knew the pin was partially in the rod at this point, I just used the pliers again to snap it through. The pin seems like something that should just slide through if perfectly aligned and everything's clean, but I just wasn't getting that.
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Old Sat, May-19-2018, 07:44:53 AM   #75
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Default Re: DIY Guide: E46 M3 SMG Clutch

Great write-up. Anyone looking for pictures check out this thread.
http://www.m3forum.net/m3forum/showthread.php?t=550119

It does a good job of showing the tear down.
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Old Thu, Dec-27-2018, 03:30:55 PM   #76
aznniche
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Default Re: DIY Guide: E46 M3 SMG Clutch

I plan on replacing my SMG transmission with a donor car.

1. Can't I just leave the actuator in place and just remove the hydraulic lines attached to it? This way, I can pull the whole transmission out, install the new tranny, and hook up the lines again. I don't want to deal with removing the actuator if it isn't necessary.

2. Can the clutch reteach be done just with INPA?
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Discussing DIY Guide: E46 M3 SMG Clutch in the Faults, Fixes and DIY Forum - Please share your experience and knowledge with other members by contributing your own DIY, or by helping another member find the elusive fix! at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)