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E46 Xi Forum
The E46 XI was produced from 01-05 in sedan and touring body styles. Powered by either a 2.5L inline 6 in the 325xi or a 3.0L inline 6 330xi. Discuss all thing about BMW AWD E46 'Xi' here.

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Old 02-10-2013, 11:08 AM   #1
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Join Date: Dec 2011
Location: Castle Rock
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My Ride: 2014 328d xDrive
Caster and Powerflex Bushings

I recently had my car aligned at BMW after getting new tires and replacing my fcabs with powerflex bushings. The XI powerflex bushings are offset. BMW told me that my car's caster would not be able to be within spec because of the offset bushings. They also said that because of the ofset bushings and out of spec caster, it is pulling slightly right. Admittedly, I am not an expert in alignment, but can't for the life of me figure out how off center bushings would casue the caster to be out of spec.

Any ideas?
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Old 02-10-2013, 11:25 AM   #2
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Join Date: Jan 2010
Location: Valparaiso, IN
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Offset control arm bushing increase camber with no alignment adjustments.
So yes, it's entirely possible that they're unable to get it into spec with offset bushings

It's common practice on e30s to put m3 fcabs on (which are offset) to increase camber. Which IMO is stupid for a street car because it ruins tires.
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Old 02-10-2013, 01:07 PM   #3
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Original xi fcabs ARE offset. You either put them in with the offset incorrectly positioned, or they are morons and you should get your money back for the alignment and find a new shop.
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Old 02-10-2013, 06:58 PM   #4
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Originally Posted by Kubica View Post
Original xi fcabs ARE offset. You either put them in with the offset incorrectly positioned, or they are morons and you should get your money back for the alignment and find a new shop.
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