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      07-22-2019, 07:14 PM   #76
Bartledoo
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Drives: 2011 E90 M3 6MT
Join Date: Aug 2015
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Quote:
Originally Posted by VictorH View Post
Another question for those of you have done this bushing replacement.

How do you ensure you have the the sub-frame centered on the body before you tighten everything up? There is a ton of slop in the space between the M12 bolts and the bolt holes in the bushings (it's a bit over 1/2"), so it would be possible to install the sub-frame a ways off from center.

I did think about marking the subframe before I removed it but it wasn't obvious how to mark the sub-frame and body since the bushings create a gap between the two. Is it worth putting a sleeve between the bolt and the bushing?
I always wonder about this as well. I remember Malek saying he made his own centering tool for the subframe because of this issue. Because of that and my limited set of tools I payed a shop to do it. But I always wonder how/whether they centered it properly.
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