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      10-08-2012, 09:30 PM   #108
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Drives: '11 e92 M3 SG/FR
Join Date: Jul 2005
Location: Huntington Beach, CA

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2011 BMW e92 M3  [4.55]
Originally Posted by aus View Post
What's the difference between the RI-D vs. F1? What's Duralumin?
I thought it was something out of Star Treck!!!

In a nutshell the RI-D is an even lighter one piece forged Duralumin. Compared to the FI forged Aluminum. Naturally, this means that the RI-D is also much heavier on the wallet as well .

You can reference this thread as well.
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Current - '11 e92 M3 SG/FR ZCP|ZCV|ZP2|2MK|494|415|6NR|752
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