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      07-28-2014, 12:15 PM   #1
TrakBch
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GT Wing Help

Leaning strongest towards APR GT250. But I'm not sure if I should get the
61" or the 67" The GTC 300 is intriguing, and I do prefer the look but I've heard they are more draggy.

Voltex is also an option, but it is slightly more $$, and I'm not seeing many (if any) tracked E92's with them. But they do have more wing designs.

Varis is out as the other choices are a greater value.

I have GT4 front aero and canards.

Currently at 3400 pounds with fuel.

I run 285/30-18 R6 F, 295/30-18 R6 R. I may go up 10mm each at some point.

Spring rates are 768 pounds F, 900 pounds R on AST 5200.
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      07-28-2014, 07:31 PM   #2
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Have you considered Brooks Composites? They seem to develop aero for a lot of BMWs.
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      07-29-2014, 09:55 AM   #3
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I saw those too. But I was trying to keep it all under $1700 All in.

But I got a APR GT250 67" ordered this morning. I wonder what the AOA is people are setting these at
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      07-29-2014, 10:19 AM   #4
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Sweet! Post up a review if you don't mind.
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      07-29-2014, 11:03 AM   #5
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I have mine at 10 degrees AOA but started at level and tested from there.
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      07-29-2014, 11:17 AM   #6
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Quote:
Originally Posted by bigjae1976 View Post
Sweet! Post up a review if you don't mind.
I'll try! This is my first foray into aero. So I'm not sure what I'll be able to share.
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      07-30-2014, 11:28 PM   #7
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Quote:
Originally Posted by TrakBch
I saw those too. But I was trying to keep it all under $1700 All in.

But I got a APR GT250 67" ordered this morning. I wonder what the AOA is people are setting these at
I think this is a good choice. Nice fit and finish. I would start with 5 degree aoa and adjust from there........hopefully you can go to 0 aoa.

Edit: I see you also have the canards. You will have to see but may need a little angle to balance the front. Good luck.
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      07-31-2014, 10:26 AM   #8
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How would you know if you need more or less aoa?
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      07-31-2014, 12:05 PM   #9
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I've heard a lot of good things about the bimmerworld wing

http://store.bimmerworld.com/bimmerw...wing-p906.aspx
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      07-31-2014, 12:32 PM   #10
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Quote:
Originally Posted by JonnyTrauma
I've heard a lot of good things about the bimmerworld wing

http://store.bimmerworld.com/bimmerw...wing-p906.aspx
I have the bimmerworld v1. It is "race" quality with regards to fit and finish. I also tried the APR GTC300 (3D wing) for 6 months. APR has a much better looking product. I am switching back to the v1.
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      08-01-2014, 12:51 PM   #11
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I'd also like to see pics of this once mounted. Do you have pics of your car with the current wheel/tire setup?
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      08-01-2014, 02:17 PM   #12
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start at 0 ...it gives more than enough DF
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