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      08-13-2011, 01:29 AM   #1
XB101
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275 35 R20 all around?

Should be getting my X3 in about 3 week's time. Most likely will get some winter rims and tires. I am tempted about the following setup for next spring/summer though.

X5 type rims
http://www.**********s.com/BMW-X5-Style-Wheels.htm

20", 45 ET offset but the centrebore is 74.1mm. X3's centrebore is I believe 72.5mm. Does that mean these rims would not work? Know of any rims that is similar style? I like the clean 5 spoke.

Tires I would, if I do go 20" go with these:

Continental Extreme Contact DWS All seasons
275 35 R20.

Do you think that is too wide/big, or hinder the driving dynamics? I know the stagged set up do have that size in the rear and 245s in the front. In the summer sometimes we get hail or wet snow so summer tires might be a bit risky.

http://www.tirerack.com/tires/tires....i&autoModClar=
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      08-13-2011, 09:16 AM   #2
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Quote:
Originally Posted by XB101 View Post
... X3's centrebore is I believe 72.5mm. Does that mean these rims would not work? ...

http://www.tirerack.com/tires/tires....i&autoModClar=
Although BMW's use a "hubcentric" location system to initially center the wheel, the wheel is actually held in place and finally located by the taper on the (5) lug bolts. If you torque the bolts in a gradual manner (first torque all bolts to 20 lb./ft, then increase all to 50 lb./ft., and then to final torque of 89 lb./ft.) you should be OK.

Having said that, many aftermarket wheels with "incorrect" hub diameters are supplied with "adapter" rings that reduce the diameter to the 72.5 value. You may be able to get some from TireRack. Without the correct hub diameter, it's fairly difficult to line up the bolts with the bolt holes, unless you get some wheel hangers.
http://www.reverselogic.us/ReverseLo...ide_Tools.html
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      09-09-2011, 02:14 AM   #3
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XB101 please let me know if it works out for you. I was thinking of going 265/35 20 all around.
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      09-09-2011, 02:58 AM   #4
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Do NOT use these wheels with the wrong centre bore, it will stress the torque bolts and potentially shear them off in a minor impact.........be warned.
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      09-09-2011, 07:50 AM   #5
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Quote:
Originally Posted by johnbmw6 View Post
Do NOT use these wheels with the wrong centre bore, it will stress the torque bolts and potentially shear them off in a minor impact.........be warned.
I was thinking of using TSW wheels.
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      09-09-2011, 08:49 AM   #6
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For winter use you might also want to consider going for a much smaller wheel which will give you more sidewall protection from potholes etc., and also consider narrower tire widths to cut through the snow.
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      09-09-2011, 10:37 AM   #7
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For summer I am sticking with stock 245 45 19 Eagle LS2. For winter probably 18's.
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      09-09-2011, 11:52 AM   #8
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Quote:
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For summer I am sticking with stock 245 45 19 Eagle LS2. For winter probably 18's.
...why the change of heart?
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      09-09-2011, 04:59 PM   #9
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35's would be too low profile more suitable for sports car then an SUV. Not sure how it might or might not affect driving dynamics. I do have to say the beefy tires on the X5 look nice.
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      09-09-2011, 10:48 PM   #10
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Understood. Still waiting on delivery for mine. Hopefully the I can get to used to how puny the stock wheels look.
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      09-10-2011, 05:13 AM   #11
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Quote:
Originally Posted by chillychan View Post
I was thinking of using TSW wheels.
Fine as long as the centre and bolt configuration are right, you should be fine.
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      09-10-2011, 06:44 AM   #12
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Quote:
Originally Posted by johnbmw6 View Post
Fine as long as the centre and bolt configuration are right, you should be fine.
Excellent thanks. I was just wondering if the 265s would fit up front.
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      09-21-2011, 10:10 AM   #13
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Quote:
Originally Posted by chillychan View Post
Excellent thanks. I was just wondering if the 265s would fit up front.
Should do.
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