Thread: 128i LSD Q/A
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      03-05-2018, 11:59 AM   #34
bionicbelly
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Drives: Z3 coupe, 128i
Join Date: Oct 2017
Location: Des Moines

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Quote:
Originally Posted by gixracer View Post
Unfortunately a 128 front does not match to a 135 in the splines. They are 1.5mm larger on the 135 side. and you will not be able to tell till you have trashed both ends. i made that mistake when I did my swapon my 328/335 n55 wagon.
I actually meant to use the entire 135 driveshaft, and lengthen or shorten it. (again, may or may not be possible) The flange that bolts to the guibo should be the same, center bearing should be in the same spot. If the 135 driveshaft is a larger diameter, it would make transplanting the the diff end flange difficult. Again, talking with no experience.
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