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      09-04-2012, 01:56 PM   #129
swamp2
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Drives: E92 M3
Join Date: Sep 2006
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Quote:
Originally Posted by BMRLVR View Post
Notice that the connecting rod on the cap has a 2D bar code on it. That bar code can contain lots of information that "MAY" be used to ensure the pistons, rods, crank and blocks are picked in a matched set........ Or........ it could just be a part number.
I saw that QR code on the rod and thought it was interesting. It can indeed contain quite a lot of data. I actually suspect it is being used precisely to store more information than just a part number. A regular bar code would be fine for just a part number that thus making a QR going overboard. My speculation though it that it does not contain individualized dimensional information.
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