Discussion
Can't help with your exact wheels, but this may be helpful as a guide. http://the-polisher.tripod.com/id6.ht
Never done a Z4, but on speedline splt rims you are not supposed to re-use the bolts.
I had a set refurbed with new bolts and after a few weeks I found some of the bolts were quite loose!
I refurbed a set later using original bolts correctly torqued to reccomended 15 ft/lb torque.....and used loctite on the threads so they wouldn't come loose....no problems so far
I had a set refurbed with new bolts and after a few weeks I found some of the bolts were quite loose!
I refurbed a set later using original bolts correctly torqued to reccomended 15 ft/lb torque.....and used loctite on the threads so they wouldn't come loose....no problems so far

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