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Old 07-29-2010, 08:44 PM   #15
mrshelley
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Join Date: May 2004
Location: Bethlehem, PA
Posts: 916
My Ride: 2004 330i
The only thing I don't know is if the length of the input shaft is the same as and E46 power steering rack. It looks pretty darn close. The splines are the same though.

As for the rack bolting up to the subframe and the tie rods, everything is exactly the same. Actually, the whole front suspension is exactly the same as an E46. The rear is exactly the same as a 328/325 except for the rear drive flanges.

I don't know of anyone who has done this as it seems that the 3 series folk don't know a thing about a Z4.
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Last edited by mrshelley; 07-29-2010 at 08:45 PM.
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