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      07-01-2021, 11:07 AM   #1
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SPL Lower Control Arms for Camber and Track Width Adjustment

Most people use camber plates to gain negative camber on their BMWs, but you can also increase negative camber using an adjustable length wishbone/lower control arm and making it longer than the OE arms.

Other benefits of lengthening the wishbone/LCA are increasing caster, and increasing the track width. The caster increase helps maintain higher negative camber when the wheels are turned, and increased track width reduces roll on that axle. For reference, BMW increased the front track width on G8x by 1.5" over F8x.

Using these arms with the stock springs/struts I was able to achieve -2.3deg of negative camber at max extension, which produced about 8deg of caster, and widened the track width by 1" (and the rear by only 0.2").

Here's an overview on these arms, their features, and how they work.


Quote:
Originally Posted by Index
0:00 Intro
0:14 SPL Arm Layout
1:17 Arm Length Adjustment
3:22 Roll Center Correction
4:11 Assembly Mock Up
5:40 Headlight Leveling Sensor
6:59 SPL Arm vs Camber Plates?
7:41 My Alignment and Conclusion
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Last edited by FaRKle!; 07-01-2021 at 11:16 AM..
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      06-13-2023, 04:12 PM   #2
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Hi there and thanks for sharing. I’m looking to increase camber on my stock suspension for track use. Would you recommend these over camber plates? Any long term feedback? The unsealed monoball is troublesome for me as well since I drive in the winter snow and salt.
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      06-13-2023, 05:16 PM   #3
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Quote:
Originally Posted by E90convert View Post
Hi there and thanks for sharing. I’m looking to increase camber on my stock suspension for track use. Would you recommend these over camber plates? Any long term feedback? The unsealed monoball is troublesome for me as well since I drive in the winter snow and salt.
If you need camber, use camber plates, CSR does not use its arms to increase track width or negative camber, it uses them so that the 10.5 rims with 41mm of spacer do not protrude.

The spl arms look like parts of the transformer....
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      06-13-2023, 05:36 PM   #4
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Quote:
Originally Posted by Track/S View Post
If you need camber, use camber plates, CSR does not use its arms to increase track width or negative camber, it uses them so that the 10.5 rims with 41mm of spacer do not protrude.

The spl arms look like parts of the transformer....
Thanks for sharing. How does the CSR increase camber?
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      06-14-2023, 01:35 AM   #5
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Quote:
Originally Posted by E90convert View Post
Thanks for sharing. How does the CSR increase camber?
With camber plates, they use eye mount dampers in this way those plates allow more inclination than any other of aftermarket.
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