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E36/7 Z3 (1996-2002)
E36/7 Z3 Roadster, Z3 coupe, Z3 M Roadster and Z3 M Coupe talk with our gurus here.

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  #1  
Old 09-20-2012, 11:06 AM
wriptide wriptide is offline
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Location: Newnan
 
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Mein Auto: 1997 BMW Z3
New member, First question

I am about to upgrade my suspension on my '97 Z-3 2.8 with Bilstein Sport Struts and Shocks, including Rogue rear shock mounts and Powerflex control arm bushings. My question is do I need to add camber adjusters on the rear if I'm only lowering by @1.5 inches?
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  #2  
Old 09-20-2012, 01:03 PM
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AndrewZ AndrewZ is offline
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  #3  
Old 09-20-2012, 02:00 PM
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Randy Forbes Randy Forbes is offline
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Historically, the Z3 versions, as opposed to the ///M versions, already have a boat-load of negative camber in the rear. If you can stand behind your car now and see the wheels visually tipped in at the top, lowering it will only amplify this.

It sounds like you already have your mind made up (so I won't try to talk you out of using plastic bushes for the trailing arms...) but if you're looking to lower it by 1-1/2", I definitely recommend that you use the Ireland toe & camber kits, with the camber set biased towards reducing excessive negative camber.

Forget tire life, which would be dismal, but without the entire surface of the rear tires in contact with the pavement, you're going to have less grip, not more.

If you're only going for looks, and handling and tread life is not a concern, please disregard.
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  #4  
Old 09-21-2012, 12:30 PM
wriptide wriptide is offline
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Randy,
This is the exact information I was looking for. My z does tip in at the top now, and I don't like that, so you are saying it will be even more pronounced with the lowering. I will definitely add the camber kit to my project. Thanks for the advice and taking the time to give it.
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  #5  
Old 09-21-2012, 08:43 PM
SUNZOUT SUNZOUT is offline
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And if your taking the subframe out for all that..time to the Subframe bushings at the same time. I'll also say OEM for RCAB's rather than powerflex
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