Wheel/Hub Size? |
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SMOG
PSMINI Member PSMINI Member Joined: April/07/09 Location: Port Orchard Status: Offline Points: 4296 |
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Posted: August/15/11 at 7:23pm |
Do the 1st Gen MINI's and the 2nd Gen MINI's have the same hub size? I think the Gen 2's have a 56mm hub.
I am trying to find out if the R-81 (Imola) wheels will fit the R-56. I think the bolt holes are large enough for the 14mm wheel bolts. |
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I wish there was a local MINI Dealership, like our Honda, Subaru, Mazada and VW.
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bobbydanger
PSMINI Skilled Member PSMINI Member Joined: January/31/11 Location: Portland Status: Offline Points: 260 |
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same hub diameter.different lug size. though if the lug holes are large enough they will fit both cars and since the taper for the lugs is the same it doesnt matter. so the answer is yes?
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johnf36
PSMINI Expert Advisor PSMINI Member Joined: August/30/07 Location: Ephrata, Wa. Status: Offline Points: 8612 |
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S:
All OEM wheels will fit both the 12 and 14 mm bolts and all have 56.1 center bores along with 4-100 bolt pattern. There was some misconception with the bolt change and fitment . It is the front brakes that determine what rims can be used on gen 2 cars because of the bigger brakes on the cooper s will not fit 15's. The gen 2 cooper and cooper one will fit all rims. J. FYI: if you put the S brakes on the cooper when you had the JCW's installed on the S they won't fit. Edited by johnf36 - August/16/11 at 12:52am |
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SMOG
PSMINI Member PSMINI Member Joined: April/07/09 Location: Port Orchard Status: Offline Points: 4296 |
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Thanks guys. I am thinking about using the '09 Cooper for the road trip car and keeping the '11 "S" for the hotrod and by going to 185x65x15 tires on the Cooper it will make it ride more smoothly.
I thought about putting the '11 "S" brakes on the '09 Cooper but since it is not driven like it is being chased then why mess with it? |
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I wish there was a local MINI Dealership, like our Honda, Subaru, Mazada and VW.
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johnf36
PSMINI Expert Advisor PSMINI Member Joined: August/30/07 Location: Ephrata, Wa. Status: Offline Points: 8612 |
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Sounds good it should work that is a rolling dia of 24.5 , now your only problem is finding the lightest OEM wheels every by Mini.
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If everything seems under control, you're just not going fast enough.
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SMOG
PSMINI Member PSMINI Member Joined: April/07/09 Location: Port Orchard Status: Offline Points: 4296 |
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I think they are the R-81 -IMOLA
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I wish there was a local MINI Dealership, like our Honda, Subaru, Mazada and VW.
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bobbydanger
PSMINI Skilled Member PSMINI Member Joined: January/31/11 Location: Portland Status: Offline Points: 260 |
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Correct
Style R81 (7-hole) 5.5Jx15 - 1512458 & 1512459 = 5.45Kg (12.0152 lbs) Offset = 45mm |
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bobbydanger
PSMINI Skilled Member PSMINI Member Joined: January/31/11 Location: Portland Status: Offline Points: 260 |
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Good to know.
I know my Pannasports wont fit an R56 (I tried when I was seeing if they would clear JCW brakes) because the bolt holes are too small and often wondered if factory wheels had the same fittment problem.
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johnf36
PSMINI Expert Advisor PSMINI Member Joined: August/30/07 Location: Ephrata, Wa. Status: Offline Points: 8612 |
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This is the best chart I have for OEM rims.
Generation - Models Disk Size Wheels1st -all 276 15" all 16" all 17" all 18" all -------------------------------------------------------------------- 2nd- Cooper/one 280 15" all 16" all 17" all 18" all -------------------------------------------------------------------- 1st- Factory GP 294 16" R87 1st- JCW Brake Kit 16" R94 2nd-Cooper S 16" R102 16" R103 16" R115 16" R119 16" R120 17" all 18" all --------------------------------------------------------------------- 2nd-Factory Works 316 17" R97 2nd-JCW Brake Kit 17" R104 17" R108 17" R112 17" R114 18" R113 |
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If everything seems under control, you're just not going fast enough.
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bobbydanger
PSMINI Skilled Member PSMINI Member Joined: January/31/11 Location: Portland Status: Offline Points: 260 |
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John Im imagining that chart is more in reference to the wheels clearing the brakes.
Im actualy surprised that all the early wheels were drilled with large enough lug holes to clear what was a much later decision to increase the lug bolt size. I would have assumed their tolerances where tighter than that. Im not sure if that is a credit to BMW or a sign of sloppyness.
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johnf36
PSMINI Expert Advisor PSMINI Member Joined: August/30/07 Location: Ephrata, Wa. Status: Offline Points: 8612 |
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Yes your right Bobby.
I think what you will find is BMW used the smallest bolt they could for the hp, wheel size and brake size. I also think BMW had no choice in the hole size on the 4x100 bolt pattern I am sure there is a international spec on that hole. The increase came when Minis brakes and hp was increased which I am sure once again their is a spec for that too. But keep in mind rims are held on by clamping force and you don't want a tight fit on that hole because it is the 60deg taper that centers, locks and clamps the wheel down. All of that works with the centering ring to get your your wheel on straight. If the bores on the rim are to tight you will most likely end up in as bind and stud failure. John |
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If everything seems under control, you're just not going fast enough.
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SMOG
PSMINI Member PSMINI Member Joined: April/07/09 Location: Port Orchard Status: Offline Points: 4296 |
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I have seen that chart before on another Forum and it is good brake fitment info.
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I wish there was a local MINI Dealership, like our Honda, Subaru, Mazada and VW.
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bobbydanger
PSMINI Skilled Member PSMINI Member Joined: January/31/11 Location: Portland Status: Offline Points: 260 |
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Hey John, I just read your post above and it reminded me of a funny question my roomate posed recently.
Why does the countryman have 5 lugs per wheel?
he then pointed out that it has no more horsepower than other minis and that in the AWD version the power is distributed to more wheels so its less torque per wheel.
makes ya wonder......
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johnf36
PSMINI Expert Advisor PSMINI Member Joined: August/30/07 Location: Ephrata, Wa. Status: Offline Points: 8612 |
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My guess would be that it is because on the axle rating on the countryman and not so much HP. Also I wonder how many parts they use off the x-3 , the 5 bolt pattern is a normal BMW pattern. Some have suggested that the 4 bolt pattern was use so the Bimmer wheels couldn't be used, not sure about that one.
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If everything seems under control, you're just not going fast enough.
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CORNERS
PSMINI Expert Advisor PSMINI Member Joined: July/29/10 Location: Bothell, WA Status: Offline Points: 3733 |
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It's probably a regulatory requirement of some sort... If the wheels are X diameter or car weighs more than X amount, you need 5 lugs...
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