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2Addicts | BMW 2-Series forum Technical Topics Suspension | Chassis | Brakes M3/M4 lower control arms.

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      09-20-2015, 10:51 AM   #1
jordantii
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M3/M4 lower control arms.

So I ordered these parts and will install them this week. Looks pretty straight forward. What I am wondering is if anyone else on the forum has installed them and what the results were? I have been through the threads but there is very little talk about the results forum members have had.

This is not a track car, just looking to get a little more camber up front.
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      09-20-2015, 11:44 AM   #2
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Jordan,

Have a read of this thread

http://f30.bimmerpost.com/forums/sho...ght=Lca&page=2

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      09-20-2015, 11:51 AM   #3
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Quote:
Originally Posted by jordantii View Post
So I ordered these parts and will install them this week. Looks pretty straight forward. What I am wondering is if anyone else on the forum has installed them and what the results were? I have been through the threads but there is very little talk about the results forum members have had.

This is not a track car, just looking to get a little more camber up front.
yes they work great

http://www.2addicts.com/forums/showthread.php?t=1079766
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      09-20-2015, 01:58 PM   #4
jordantii
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Thanks Gents. I have read those threads a while back so it was nice to re-read them. Looks like it will add a few degree's of castor which I have no problem with and the camber gain looks perferct for the street. I have Xenons and will also install the M3/M4 bits for them as well.
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      09-20-2015, 02:40 PM   #5
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Quote:
Originally Posted by jordantii View Post
Thanks Gents. I have read those threads a while back so it was nice to re-read them. Looks like it will add a few degree's of castor which I have no problem with and the camber gain looks perferct for the street. I have Xenons and will also install the M3/M4 bits for them as well.
make sure to reuse your stock rod with the M4 ball joint http://www.2addicts.com/forums/showp...2&postcount=67
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      09-26-2015, 03:25 PM   #6
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It's been 24 hours since the install and alignment and the car does feel better over all. I'm sure some is due to the alignment I spec'd and of course the control arms. Steering feel is pretty much the same maybe a tad stiffer. Turn in is where I notice it the most. Very immediate and more controlled. Worth the money especially since I won't shred tires in 13,xxx miles again.
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      09-26-2015, 07:43 PM   #7
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How much if you don't mind me asking
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      09-26-2015, 07:48 PM   #8
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How much if you don't mind me asking
http://store.gsrautosport.com/F8xflc...2284529-30.htm
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      09-27-2015, 05:50 AM   #9
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I actually bought them from Turner Motorsports. They had them in stock. I wouldn't buy from GSR, they never returned my calls or emails when I was looking to purchase. Zero customer service.
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      09-27-2015, 08:00 PM   #10
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I actually bought them from Turner Motorsports. They had them in stock. I wouldn't buy from GSR, they never returned my calls or emails when I was looking to purchase. Zero customer service.
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      09-28-2015, 11:14 PM   #11
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Sorry if this is a noob-ish question but can someone explain the light leveling and what I would need for that? I am a bit confused.

Essentially it sounds like its the control arms and 2 other parts I would need. Can you break down what exactly I would need to make this work?

Thanks!
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      09-28-2015, 11:30 PM   #12
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Quote:
Originally Posted by abirmaher View Post
Sorry if this is a noob-ish question but can someone explain the light leveling and what I would need for that? I am a bit confused.

Essentially it sounds like its the control arms and 2 other parts I would need. Can you break down what exactly I would need to make this work?

Thanks!
light leveling is a sensor that connects to the suspension and lets the adaptive light know when to move up and down...

explanation of what you need with a picture of the final product is here http://www.2addicts.com/forums/showp...2&postcount=67

basically you reuse your stock leveling rod and just use one of the ball joints from the kit that comes with the arms
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      09-29-2015, 07:42 AM   #13
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You could save a little money if you just order the arm and use the longer ball end. There is no need for the bracket to relocate the sensor. You will have to adjust the lights but that is pretty simple. There is a link on here somewhere. Search is your friend.
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      10-08-2015, 08:30 PM   #14
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any other tips for install ? I plan on putting them on tomorrow, haven't messed with suspension parts much.

also was my let's supposed to come with the leveling rods ? mine didn't come with any. I should be able to reuse the stock one right ?
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      10-08-2015, 08:48 PM   #15
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Quote:
Originally Posted by G4Z808 View Post
any other tips for install ? I plan on putting them on tomorrow, haven't messed with suspension parts much.

also was my let's supposed to come with the leveling rods ? mine didn't come with any. I should be able to reuse the stock one right ?
you need the ball ends else you won't be able to attach the rod
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      10-08-2015, 09:09 PM   #16
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I ordered the LCA'S from gsr, we're they supposed to come with the rods ? where can I order the rods by themselves
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      10-08-2015, 09:40 PM   #17
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Quote:
Originally Posted by G4Z808 View Post
I ordered the LCA'S from gsr, we're they supposed to come with the rods ? where can I order the rods by themselves
you don't really need the rod, just the ball end as the M4 LCA attaches with a bolt and nut instead of the clamp the stock LCA uses
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      10-08-2015, 09:41 PM   #18
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Quote:
Originally Posted by pikcachu
Quote:
Originally Posted by G4Z808 View Post
I ordered the LCA'S from gsr, we're they supposed to come with the rods ? where can I order the rods by themselves
you don't really need the rod, just the ball end as the M4 LCA attaches with a bolt and nut instead of the clamp the stock LCA uses
were they supposed to come with the lca from gsr ?
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      10-08-2015, 09:45 PM   #19
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Quote:
Originally Posted by G4Z808 View Post
were they supposed to come with the lca from gsr ?
depends if you bought the one for xenons or the regular one... the xenon one has the hole to attach the rod



http://www.turnermotorsport.com/p-21...trol-arms.aspx
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      10-08-2015, 09:47 PM   #20
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Quote:
Originally Posted by pikcachu
Quote:
Originally Posted by G4Z808 View Post
were they supposed to come with the lca from gsr ?
depends if you bought the one for xenons or the regular one... the xenon one has the hole to attach the rod

gsr is only selling one kit, and it comes with the lca with the hole on it for the rod, but it didn't come with the rod. guess I have to order my own. sucks, I wanted to put them on tomorrow
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      10-08-2015, 09:51 PM   #21
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Quote:
Originally Posted by G4Z808 View Post
gsr is only selling one kit, and it comes with the lca with the hole on it for the rod, but it didn't come with the rod. guess I have to order my own. sucks, I wanted to put them on tomorrow
didn't it come with the ball end?

you don't need the rod.... just the ball end with the bolt on the other side... so you pop out the stock ball end that comes with the clamp and put the ball end with the bolt....
I guess you could try to adapt the clamp to work with the M4 LCA but it won't look pretty

This is how it looks with the stock rod and the M4 ball end

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      10-12-2015, 08:30 PM   #22
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Quote:
Originally Posted by G4Z808 View Post
any other tips for install ? I plan on putting them on tomorrow, haven't messed with suspension parts much.
Just an FYI, if you're not familiar with this stuff, if recommend someone doing this install. Not because it's difficult by any means, but it's going to throw your alignment of BIG TIME......major toe in. Unless you have toe plates or an alignment shop next door, it will need to be done somewhere that is capable of getting your toe settings somewhat close.

Again, just an FYI.
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