DIY installing N55 mid pipes on a N54...
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02-03-2013, 02:22 PM
Drives: 135i Silber mit/Rot 6MT N54
Join Date: Feb 2010
Location: Bayern, Germany
Originally Posted by
By any chance do you still have the donut gasket? If so, could you please measure the ID, OD, and height? Thanks!
For future reference, the axel back OEM tubing is about 2.75'' diameter.
Ok, here you go... I took some pics today.
OD is about 78mm's and ID is about 65mm's. 78mm's is just over 3"!
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