Thread: FS: N55 JB4
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      04-19-2021, 03:58 PM   #7
MannyJD
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Drives: 2018 440i
Join Date: Mar 2012
Location: Dallas, TX

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Originally Posted by nickf30n55 View Post
is the dp for the bigger or smaller turbo outlet ?
Its the first version for the 2013, which I believe is the smaller of the 2 versions. I just went out and measured it and the turbo side is 3.5in.
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