Tires, Wheels, & Brakes Discussion about wheels, tires, and brakes for the new MINI.
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F56 JCW O.Z. Ultraleggeaa

Old Jun 8, 2022 | 08:30 AM
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F56 JCW O.Z. Ultraleggera

Test fitted 18x8 45et O.Z. Ultraleggera Wheel, no tire, only checking wheel clearances.
Front wheel to strut = Barely 5mm clearance (factory 6mm) JCW pro strut dia at flat section = 48.11mm
Front wheel spokes to Brembo = 3mm (factory 5mm)
There's plenty of clearance from the brake pad clip to the inside of the rim for a wheel weight, well over 10mm.
Wheel weight 18.8 lbs.for an 18x8 wheel.

poke

5mm barely

3mm to caliper

not convinced
 

Last edited by MikeMJCW; Jun 8, 2022 at 02:39 PM. Reason: typo
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Old Dec 18, 2022 | 05:16 AM
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They look dazzling! A speedy expression of caution however - you WILL 100 percent get curve rub assuming you bring down that. I'm approx 30mm lower on KW Road Solace coilovers - with 8J x 17" ET45 wheels and I can accommodate 215x45's to stay away from rub.


snaptube vidmate
 

Last edited by landed; Dec 20, 2022 at 10:57 PM.
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Old Dec 18, 2022 | 07:22 AM
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Originally Posted by landed
They look dazzling! A speedy expression of caution however - you WILL 100 percent get curve rub assuming you bring down that. I'm approx 30mm lower on KW Road Solace coilovers - with 8J x 17" ET45 wheels and I can accommodate 215x45's to stay away from rub.
Car's dropped 10mm (probably settled since tho) with 215/40-18, haven't had any rubbing but I never have anything or anyone in the back seat or trunk/hatch.
Was going to post about this:
The Black Ultraleggera's are dirt/brake dust magnets, I just noticed looking at the test fit photo there's dirt clinging to them out of the box. Chemical guys store told me to clean with Diablo wheel cleaner and then coat with Jet Seal Matte. I tested in non-conspicuous area, might have helped for a week.
 
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Old Feb 28, 2023 | 02:49 PM
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Originally Posted by MikeMJCW
Car's dropped 10mm (probably settled since tho) with 215/40-18, haven't had any rubbing but I never have anything or anyone in the back seat or trunk/hatch.
Was going to post about this:
The Black Ultraleggera's are dirt/brake dust magnets, I just noticed looking at the test fit photo there's dirt clinging to them out of the box. Chemical guys store told me to clean with Diablo wheel cleaner and then coat with Jet Seal Matte. I tested in non-conspicuous area, might have helped for a week.
Any more pics of your JCW with those OZ's mounted up?
 
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Old Feb 28, 2023 | 06:22 PM
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This is all I found:




 
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