M42club.com - Home of the BMW E30/E36 318i/iS
DISCUSSION => Suspension => Topic started by: jbuttenshaw on May 25, 2006, 07:41:07 PM
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i'm about to buy new rear bushes, I'm planning on taking my car on the track everynow and then for some fun, so i'm wondering what the go with rear camber adjustment is? u can get the offcentre bushes to do it but i've heard they can be a bit dodgey? my suspension has about -2degs camber on back naturally from lowering so i was considering just buying the normal bushes. what other options are there for rear camber adjustability and is buying bushes alone redundant, do i even need to worry about rear camber that much? thanks
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I thought that off centered trailing arm bushes were more for toe correction, but i'm told rather unreliably that they can do camber as well... I've got -2.5deg on my car on the rear - lots and lots of grip and fun on the back, but a bit of a pain with tire wear on the street. IE sell a kit for camber adjustment, but you need to weld and grind to get it in.
If you've got -2 deg on the back, personally i'd just leave it.
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The BMW offset bushings will add or remove about 1 degree of camber if oriented correctly for ride height - using two per side. This is a link
http://www.lactnews.com/e30tech/e30tech.html (http://www.lactnews.com/e30tech/e30tech.html)
that will give you an Excel spreadsheet that converts increments of inches to degrees. The rear trailing arm mounts are about 15" apart. It can also tell you the camber change in degrees for movement of the upper strut mount with adjustable camber plates or anything else that fits.