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      09-01-2011, 07:23 PM   #1
Uppie
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Drives: 2011 x3 28i
Join Date: Apr 2011
Location: Indy

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Lug bolts for winter wheels

I purchased for a decent price a set of used X3(E83) rims. I'm about to purchase Blizzaks from TireRack and also may need lug bolts. I've read postings that indicate that I should use M14x1.25 spherical seat 17mm heads
As I've researched many questions keep popping up and I need some help!
1) Does a conical head = spherical head= radius head?
2) What thread lenght/shank length do I need to order? Is this rim dependant?
3)Should I use existing lugs bolts for both summer and winter rims?
3) I've seen geniune BMW bolts with rotating washers - but everything else appears to have the one piece bolt. Any recommendation?
Thanks
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