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Old 10-03-2012, 10:37 AM   #64
drift.mechanic
Registered User
 
Join Date: May 2012
Location: Montreal, Qc
Posts: 305
My Ride: E46 323i
Yes I will convert both. It isn't a absolute must since no binding will occur with a perfectly flat lower control arm. For reliability on the other hand, I would convert the ball joint to spherical just like the outter.

Now there is also the ease of replacement (with no alignment since their machining tolerances are in 1/10000" in MIL spec bearings), adjustability of the inner and outter with 1/1000" precision, constant adjustment for track then street (with about 10 mins of work), and the list goes on.
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