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      10-24-2019, 03:23 PM   #1
FrozenGT
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KW Coilovers - HRE 20inch Wheels

Hello,

I will be placing an order for 2021 Z4 M40i- I am starting to build out my parts before the car gets here-

Has anyone installed HRE 20inch wheels- I have the wheel Et direct from HRE- I can't share because they are custom to my spec.

Size will be-
20x9 F 255/30/20 Tires MS PS4S
20x10.5 R 285/30/20

1.2inch drop on KW V3 coilovers- Also I am upgrading the OEM Brembos pads and rotors. I am looking for 2-piece rotors.

I noticed that the KW kit part# is the same for the Z4 and the Supra lol go figure right.
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      10-25-2019, 12:09 AM   #2
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Nice! I'm looking at wheels but leaning more towards 19s. When are you getting your car?
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      10-25-2019, 11:55 AM   #3
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Just a word of caution make sure you look at the load ratings of the tires for 20's before purchasing them. I tried buying some HRE Flow form 20's for my car and I couldn't get tires installed on them as the car apparently requires a 96Y load tire and the tires that fit the 20's only come in a 92Y, so no local tire shop would even touch my car.

https://g29.bimmerpost.com/forums/sh...20&postcount=5
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      11-08-2019, 09:24 AM   #4
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Quote:
Originally Posted by str86diesel View Post
Just a word of caution make sure you look at the load ratings of the tires for 20's before purchasing them. I tried buying some HRE Flow form 20's for my car and I couldn't get tires installed on them as the car apparently requires a 96Y load tire and the tires that fit the 20's only come in a 92Y, so no local tire shop would even touch my car.

https://g29.bimmerpost.com/forums/sh...20&postcount=5
Thanks for the heads up! I will check Tirerack for BMW spec tires. Also let me know what you find with other brands of tires.
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      11-08-2019, 09:30 AM   #5
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Quote:
Originally Posted by ToysArs View Post
Nice! I'm looking at wheels but leaning more towards 19s. When are you getting your car?

I am also looking at 19inch wheels- Rays or SSR. I love the Japan racing look. Both are full forged wheels of course.

I have also been looking for testing data for 295 R 265 F to see if will help with over grip in the corners.

Also another thing I have noticed- H&R makes lowering kit to work with the stock BMW M-DAS setup- I really need to think long and hard on keeping the stock M=DAS setup and going with a spring only option or going with full KW kit, in which I will lose the adjustments for the stock M suspen. Not much data out there, as I think most people are keeping their stock setup-
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      11-16-2019, 11:39 PM   #6
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Quote:
Originally Posted by FrozenGT View Post
I have the wheel Et direct from HRE- I can't share because they are custom to my spec.
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      01-09-2024, 06:50 PM   #7
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Hey guys, sorry to revive this but I never got any data back from anyone.
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      01-09-2024, 10:29 PM   #8
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Quote:
Originally Posted by FrozenGT View Post
Hey guys, sorry to revive this but I never got any data back from anyone.
I think you need a full five years for any usable data
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