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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > DIY Guides > DIY M3/OEM Upper & Lower Control Arms



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      11-08-2020, 07:08 PM   #133
Azntincan
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Just changed the front control arms to m3 OEM parts. The rear control arm(wishbone) was a B**** to put back into the subframe. We used a extension rod to expand the subframe a few mm. Then used a back end of rubber mallet and hammered it in to the space. Once we were able to get the bushing and the subframe slightly aligned, we placed a nail punch through one side and hammered it until it aligned on the other side. Now it was perfect for the bolt.
FYI, displacing the alignment, made it easier to remove and but back the bolt.
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      04-15-2021, 08:56 AM   #134
Dovydas.B
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Guys, how did you managed to torque the wishbone and tension strut to the wheel bearing with T40 to 175 NM??? Because I don't see how can I use socket with torque wrench when there is a need to hold that the inner thing with T40.

Doing the m3 arms (front/rear) tomorrow.
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      04-15-2021, 11:05 AM   #135
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Quote:
Originally Posted by Azntincan View Post
Just changed the front control arms to m3 OEM parts. The rear control arm(wishbone) was a B**** to put back into the subframe. We used a extension rod to expand the subframe a few mm. Then used a back end of rubber mallet and hammered it in to the space. Once we were able to get the bushing and the subframe slightly aligned, we placed a nail punch through one side and hammered it until it aligned on the other side. Now it was perfect for the bolt.
FYI, displacing the alignment, made it easier to remove and but back the bolt.
its my understanding that all the M3 control arm bushing spacers(metal) are in need of being ground down a few thousandths to fit in the non M3 subframes
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      06-25-2021, 05:31 AM   #136
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Sorry to dig up an old thread, but I can see it's already been dug up before

Anyone got the part number for the headlight level regulating rod, is it 37142283867 ?

Thanks
James
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      12-21-2021, 11:07 AM   #137
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Quote:
Originally Posted by jamesfawcett View Post
Sorry to dig up an old thread, but I can see it's already been dug up before

Anyone got the part number for the headlight level regulating rod, is it 37142283867 ?
6 month's later, but... yes!
And you need 2x 07129905817.

End of january they're going to do the upgrade on my E90 325i.
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      01-06-2022, 03:55 PM   #138
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Thank you!
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      03-09-2022, 10:58 PM   #139
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Well, I hoped to get it all done today, but that stupid wishbone threw my plans sideways. I'll take a little off it tomorrow, and hope I didn't gouge the subframe too much trying to force it in there. Front/torsion went in fine. I figured I'd be in and out in less than an hour. But still on the passenger side at this point. Dremel to the rescue tomorrow! Used hand tools and everything came off fine. One nut was really stiff and I had to really lean into it, the T40 bit holding the bolt never snapped!

Last edited by StradaRedlands; 03-09-2022 at 11:28 PM..
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      03-29-2022, 12:26 PM   #140
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Is there a rough estimate for setting the toe to an acceptable value after the M3 arm install? I read 3.5 turns of the tie rod to toe out after the install will get you close. I think this came from the 1 series forums.

I plan to get a proper alignment later, but I think it should be possible to correct the toe approximately for now. At least so I can drive to the alignment rack lol.

Worst case, I could break out the strings and try to measure toe.
Worst worst case: my tie rods will be frozen

EDIT/UPDATE: Control arm install went smoothly except for the fact that the left thrust arm FCP sent me appeared to be a counterfeit from Malaysia. The aluminium had a totally different luster to it indicating different manufacturing process, the nut did not have the nylon lock, and other differences. It was pretty rough.

I had to order the left arm from Eeuroparts and it arrived as the genuine German TRW arm. I have pictures to compare the 2 if anyone is interested. The other 3 arms from FCP were genuine. Of course I contacted them and they are returning it and had discovered the problem on their own the day prior. They didn't inform their customers who purchased this kit....

Adjusted the left tie rod 3 turns as this should get the toe close. No issues with the tie rod. Tried to adjust the right tie rod and of course it was seized! The final step of my install.

New tie rods arrived yesterday and will complete that over the next few days. Will get a shop to check the toe but I'm curious how close my 3 turns (plus tie rod replacement) will get me. Stay tuned.

Last edited by R3dLeader; 04-08-2022 at 12:58 PM.. Reason: Update info
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      11-29-2022, 03:24 PM   #141
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hey
do you have some part no. for this parts?

thanks
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      08-26-2023, 04:14 AM   #142
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Just for buying info - Tension struts (big one arms) are being made in Malaysia - Ball joints now are made of chocolate, and going to fail very quick (In my experience after mounting new ones, ball joints starting to knock after 2-3 months of daily use).
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