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      11-11-2012, 01:05 PM   #1
avenger2540
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Lower control arm question

Please I need that someone tells me what sizes is the nut on the lower control arm on my e92 335i xdrive,please,I think is a 25mm socket,but I wont be able to getting with a socket I need an open end wrench,and they dont have a 25mm open one,in autozone I need an inch one to help me do the job,is a pita man...
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Last edited by avenger2540; 11-11-2012 at 06:50 PM.
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      11-11-2012, 01:38 PM   #2
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Hi there,
it should be 24mm, an open wrench will not work.
You need a slightly angled box wrench wich you need to grind at the outside
because the clearance between the nut and the steering nuckle is very low.
Like this you can loosen the nut by small amounts.

And you need the right balljoint puller tool, they sit very firmly.

When reinstalling the problem could be that the ball joints turns when trying to tighten the nut (especially when using a new self locking nut),
therefore you need a small torx bit to keep the balljoint (I did it using a locking plier to hold the torx bit) from rotating until the conus grips.
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      11-11-2012, 01:55 PM   #3
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Quote:
Originally Posted by serotoninsteve View Post
Hi there,
it should be 24mm, an open wrench will not work.
You need a slightly angled box wrench wich you need to grind at the outside
because the clearance between the nut and the steering nuckle is very low.
Like this you can loosen the nut by small amounts.

And you need the right balljoint puller tool, they sit very firmly.

When reinstalling the problem could be that the ball joints turns when trying to tighten the nut (especially when using a new self locking nut),
therefore you need a small torx bit to keep the balljoint (I did it using a locking plier to hold the torx bit) from rotating until the conus grips.
thanks man,now can I used the same nut because the control arm didnt came with a nut?
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      11-11-2012, 02:03 PM   #4
serotoninsteve
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I think yes, it should still lock enough.
You could put some locktite.
Torque should be 122ft-lb,
but impossible to tighten using a torque wrench.
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      11-11-2012, 06:11 PM   #5
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Quote:
Originally Posted by serotoninsteve View Post
I think yes, it should still lock enough.
You could put some locktite.
Torque should be 122ft-lb,
but impossible to tighten using a torque wrench.
Hey,I did it,but the best way for me was taking the tie rod out,and that way the hole base turn more to the outside,and I was able to get a socket in there,with an extension,this way it was easy for me,I use the 24mm box wrench for the tie rod,I didn't need it for the control arms,this method can help someone out there also,now I will wait couple of weeks and do the alignment.
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Last edited by avenger2540; 11-26-2012 at 10:41 AM.
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