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      05-05-2025, 09:35 AM   #32
pirategenes
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Drives: E90 M3
Join Date: Jan 2018
Location: MI

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Quote:
Originally Posted by e92BMW///M3 View Post
Yes, you have to cut some skin underneath. I used a dremel with metal cutting attachments. I'm not that skilled so its certainly not going to win any awards but it was pretty straight forward. Couple pics attached, including the measurements I had for the GT4 wing with standard risers, in case its helpful but highly suggest measure 2-3 times before drilling (i.e. don't blindly follow these measurements).
This is super helpful to see - thanks so much for sharing! It looks like that project turned out great and I'm sure the wing will be MUCH more stable at speed as a result of the reinforcement. I have a few different cutting tools, so with some luck will be able to hack the inner skin sections away without touching the outer skin, which I'm a little nervous about. Thanks again for sharing, and let us see your final install picture when you're ready. I bet the GT4 wing looks great and will help with rear end stability.
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