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Suspension & Braking Forum by BimmerWorld
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Old 04-27-2016, 10:20 AM   #1
EchoFortySixer
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My Ride: 2001 BMW 330Ci Coupe
Alignment setup after H&R sport/koni upgrade

I just finished doing a major suspension refresh that included Koni yellows with H&R sports. Also did lower control arms, FCAB, sway bushings, tie rods, sway bar links. In the rear I did RTAB's and upper and lower control arm ball joints. I replaced the lowers with the upper style ball joints and also did the rear sway bar bushings.

So I took the card to Firestone and they were able to get these values:

Front
Camber -1.3 -1.6 range 0 to .7
Caster 4.4 4.9 range 4.9 to 5.9
Toe .12 .12 range .08 to .16
Total toe: .24 range .15 to .32
Steer ahead 0.00

Rear
Camber -1.7 -1.6 range -1.3 to -1.8
Toe .12 -.07 range .08 to .18
Total toe .05 range .17 to .37
Thrust angle .10 range -.07 to .07

The tech said the right rear toe was maxed out at -.07 so I'm wondering if I
did not get the RTAB centered or have something else bent? It's a very small amount so
I'm thinking maybe it's RTAB related. What do you guys think?

Also should I just go with the camber values or would it be worthwhile to install front camber plates and rear camber arms? Seems like a lot of you run camber like this and don't have too much of an issue with inner tire wear.
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Old 04-27-2016, 10:27 AM   #2
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Front camber isnt a problem with tire wear. Rear camber kills the tires
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Old 04-27-2016, 10:34 AM   #3
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Cool, the rear is within spec or at least within the specs Firestone gave me so I think I'm OK there.
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Old 04-27-2016, 10:40 AM   #4
CarbonZHP
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I wouldnt worry about the front camber at least. Not an issue
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Old 04-27-2016, 11:24 AM   #5
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Yeah, I think your right, if I can get the right rear toe sorted out I should be good to go.
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Old 04-27-2016, 11:26 AM   #6
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Are your RTABs stock/old? May be worth replacing if youre trying to get in spec. Will need an alignment after replacement anyway
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Old 04-27-2016, 11:28 AM   #7
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I just replaced the RTAB's I'm wondering if maybe I did not get the new RTAB centered on the right side? It's just barely out of spec but the tech said the adjustment was maxed out. It's either that or something is tweaked just enough.
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