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M3 Track: Racing and DE Best mod for speed is learning to get the most out of what you currently have. Tracks and DE's is the place to start!

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Old Sat, Jul-21-2012, 03:17:43 PM   #11
macming
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Default Re: Should I get lower springs for my Ohlins on E46 M3

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Originally Posted by jmciver View Post
Actually, you would be surprised at how noticeable corner balancing can be, even for average drivers like us . When I first did it on my E36 M3, I was amazed at how much better the car handled, and the fact that I could tell even with my limited experience at the time. With a really capable suspension, such as yours, corner balancing allows you to really take full advantage of it.
I agree there are definitely benefits from corner balancing. I'll just have to find a shop as good as RRT to do it!

I do like to tinker with my alignment though, so maybe I'll find it by trial and error as well. James recommended a track alignment setting and a street alignment setting. I'm also thinking of changing the alignment by reading the tire temperature at each specific track

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Originally Posted by jmciver View Post
Here are a few quick shots of my car on the JRZ RS shocks. These are my street/rain tires, but they are the same size as my track setup (275/35-18) and the alignment (camber, etc.) is the same for the track as well (I don't change it for the street). The wheels are Apex ARC-8 18x9.5 ET22.





The car looks fantastic! How do you find the ET22 wheel? Apex was recommending 18 x 9.5 ET35 for most people.

What tire are you running for the track as well? I bet it's more difficult to put down all the power your super charger makes
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Old Sat, Jul-21-2012, 03:19:47 PM   #12
macming
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Default Re: Should I get lower springs for my Ohlins on E46 M3

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Originally Posted by PerkM3 View Post
I have 5" front and 8" rear srpings on my motons and my hieght adjusters sit perfectly in the middle with a ride height of 13" front and rear.
The motons must have slightly different physical dimensions. My setup is slightly funny, the fronts are as long as they can be, and the rear is as high as they can be. My current 13.4" F 12.75"R ride height is pretty good to me. I'll have to take her out on a track for a few times and decide if I need to go a bit lower.
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Old Sat, Jul-21-2012, 09:21:31 PM   #13
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My track wheels are actually 18x9.5 MT1s with ET35. I have 275/35-18 Continental scrubs on them. I run a 12mm spacer in the rear for a wider track and a 5mm spacer up front so my tires clear the ride height collars on the JRZ struts. No spacers with the Apex wheels.

My original plan was to use the Apex wheels for the track and the MT1s for the street. But the timing just worked out this way. The fitment of both would work just as well for me on the track, IMO, since the offsets are pretty close when you take into account the spacers being used with the MT1s. I know others have used ET22 Apex wheels on the track without issues as well.
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Discussing Should I get lower springs for my Ohlins on E46 M3 in the M3 Track: Racing and DE Forum - Best mod for speed is learning to get the most out of what you currently have. Tracks and DE's is the place to start! at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)