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      05-10-2019, 08:49 AM   #1
Thunderguts
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Drives: 2009 128i Sport MT
Join Date: Jul 2018
Location: DFW

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Would I even want the 28 mm sway bar?

I'm planning the following suspension mods and I'm wondering if the 28mm front sway bar might actually downgrade handling.

My 128 already has the sport suspension with rear sway bar. I'm running a square setup with 225s on all corners. I'm planning to add BMW Performance springs (T1 all around) with Bilstein B8s and M3 control arms (definitely front, maybe rear). I'm hoping to get around 1.5° negative camber in the front and whatever I can get in the rear. I'm thinking the 28 mm Performance sway bar would reintroduce understeer, no?

Obviously the proper answer is to wait until I have the suspension set up, but sway bars are cheap and I could do it now while waiting to do the rest. I just don't want to bother if it's likely to make me understeer.

Would the increased negative camber in the front offset the larger sway bar and thus improve my overall grip while keeping the handling neutral?
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