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DIY: Do It Yourself
Post here to share or improve your wrench turning skills! All BMW E46 DIY tips, tales, and projects discussed inside. Learn to work on your car and know the right BMW parts you will need!

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Old 08-12-2009, 11:58 AM   #1
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DIY: RTAB's all the links to diy's + tips you will need.

for those that are looking to do their RTAB's, to save some of your time here is a list of DIY's on the project.

some extra tips; some directed at the E46 M3 more then other models as that is what I was working on.
1) use preferably blue or red anti-seize thread lock on the outside of the casing of the bushings and on the inside of the trailing arm. this will prevent the bushings from popping out as it happens often.
2) most should know this already, but torque the wheels to 88ft-lbs, the single carrier through bolt to 81 ft-lbs, and the 3 bolts bolting the carrier to the car to 57 ft-lbs (I believe this felt a bit low for myself, so I increased it to 60 ft-lbs for myself, use at your own caution if you disregard the suggested and go with something a bit more.)
3) the trailing arm sometimes cant drop down far low enough, so there is a sill tray that needs to be unclipped (3 clips holding them in, first pull the center piece pin out of the clip, then pull the clip out). the other part that greatly helps which I also had to do was unbolt the bottom of the shock (however putting the shock bolt back in for reinstallation usually requires having the carrier tray intalled back into the car with the 3 bolts, and then using another jack lift to jack the knuckle portion up a bit to get the shock bolt to align back in with the knuckle/trailing arm piece).
4) the new '06 updated rtab bushing (P/N# 33-32-6-770-817) which should be used if your going OEM like I did, should be pressed in 50/50 dead center into the rear trailing arm.
5) spray some PB blaster or some kind of penetrating oil inbetween the bushing and the arm and let it soak for a bit to work it's magic. I also additionally took a screwdriver and while it was soaking I was tapping the bushing on the edges trying to get it to seep into the cracks.
6) When using the MIS tool to pull these suckers out and press them in as I did, sometimes the 7/16 threaded rod snaps while attempting to pull the old bushing out. As suggested on the MIS website also pre-lube the threaded rod during every use making sure the threads are clean and lubbed. Another tip to prevent this from happening but not mentioned you should do this carefully is while you've got the tool mounted onto the rtab and are cranking the tool tight but she doesnt feel like she is budging, while it's still mounted on and the tension is on pretty good tap the bottom of the weight (the single block piece) from below. This will nudge the bushing loose that first bit and you will notice it budged loose as you go back to cranking the bolt it will feel as if the tension was loosened. Keep tapping on parts where it does not feel like it is goign to budge and you risk snapping the rod. Caution though, when tapping make sure you hit the block from the side, you do not want to risk tapping the hammer on the rod's threads, this would damage your threads on your rod so be careful how you tap it.
7)Final tip, if you rented your tool you might as well do the FCAB's (front control arm bushings) while you are at it. The process is very similar, and after having done my rears I felt very confident to do the fronts with no issues.

http://forum.e46fanatics.com/showthread.php?t=397836 (page 4 has some more info too)

Last edited by parad0x; 08-12-2009 at 12:48 PM.
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Old 08-12-2009, 12:18 PM   #2
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Thank you! (I'm sure this goes for all of us)
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Old 08-14-2009, 07:53 PM   #3
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great thread, i wish more DIY threads linked to other sources. thanks.

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Old 08-21-2009, 11:41 AM   #4
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Great post, I plan on doing these Sunday!
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Old 08-23-2009, 05:19 PM   #5
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I used the screwdriver/chisel for removal and press made from 2" steel pipe caps to re-install as described in the first link today on my '02 M3, and it worked like a charm. Got my stock replacement bushings from Turner for I think $47 for the pair.
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