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      11-21-2022, 09:15 AM   #45
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Appreciation to BC Forged NA for their personal communication this morning providing missing wheel weights for Gxs615's HCA386s, now found in the known list.

Lots of info online discussing performance and handling benefits of unsprung weight reduction, but found this short video interesting as he tried to actually define the acceleration changes using three different wheel and tire setups.(Speed Labs – Unsprung Weight and Acceleration/Why You should Buy Lighter Wheels) 5’49”

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      11-29-2022, 04:45 PM   #46
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About 700 miles in with the BC Forged RZ05 wheels - what an improvement in handling and performance these lighter weight wheels seem to allow. Subjective as I've not instrumented with autocross, track or strip data, but sure wish I had made the change to lighter wheels years ago based on what I'm sensing so far.

Now even more interested to get some formal slips as the only change was the weight (same wheel specs and tires). Surprised M doesn't allow a true monoblock lightweight forged option on their Competition models (even SAVs), as this seems to be an easy fix to overall weight savings and in a location which positively influences the driving dynamic.
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      12-02-2022, 11:21 AM   #47
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Sharing another set of BC Forged for the X3M. These are my dads new wheels that I decided to test fit and see how the bronze looks on white. Really digging them!

BC Forged RS45 - Matte Bronze
20x9.5 et18 (24.6lbs)
20x10.5 et 28 (25.4lbs)

Michelin Pilot All Season 4
275/40/20 (29lbs)
315/35/20 (33lbs)

Grant total: 224lbs



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      12-02-2022, 01:46 PM   #48
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Quote:
Originally Posted by BrockDM View Post
Sharing another set of BC Forged for the X3M. These are my dads new wheels that I decided to test fit and see how the bronze looks on white. Really digging them! ...
Thanks for sharing your Dad's info, BrockDM - another excellent option! Will have to see them on his when installed if not too much trouble.

Known weight list updated - now up to 84 total with 61% having estimated wts (much of it thanks to you)!
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      12-02-2022, 02:06 PM   #49
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Originally Posted by Max Well View Post
Thanks for sharing your Dad's info, BrockDM - another excellent option! Will have to see them on his when installed if not too much trouble.

Known weight list updated - now up to 84 total with 61% having estimated wts (much of it thanks to you)!
I'll definitely share! Hopefully grabbing photos this weekend

I'll have another set shortly after too LMAO. He got a set of Neuspeeds for winter as well. The BC are his summer.
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      12-02-2022, 10:14 PM   #50
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Just got my Vossen HF5's in Satin Bronze on:

Total F97/98 for Vossen HF5 (21x9.5 et16, 21x11 et35)/Michelin PS4AS (255/40 R21, 295/35 R21) - wt N/A yet https://x3.xbimmers.com/forums/showp...postcount=2892
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      12-04-2022, 02:17 PM   #51
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New winter wheel setup:
https://x3.xbimmers.com/forums/showp...postcount=2896

Specs:
Asanti Black Label ABL-31 in Satin/Gloss Black Lip
https://www.asantiwheels.com/wheel/1...&finishID=1902
20x9 ET25 (38 lbs)
20x10.5 ET38 (36 lbs)

Pirelli Scorpion AS
265/45-20 (32 lbs)
295/40-20 (36 lbs)
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      12-05-2022, 08:35 AM   #52
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Quote:
Originally Posted by 95wildtt View Post
New winter wheel setup: ... Specs:
Asanti Black Label ABL-31 in Satin/Gloss Black Lip ....
Thanks again for sharing your details - I've added to the known list!
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      12-15-2022, 01:55 PM   #53
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Vossen 21x5.5 16 offset front 21x11 35 offset rear. stock 255 front 295 rear to maintain rolling diameter.
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      12-16-2022, 07:06 AM   #54
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Quote:
Originally Posted by gjodexter View Post
Vossen 21x5.5 16 offset front 21x11 35 offset rear. stock 255 front 295 rear to maintain rolling diameter.
Thanks for sharing, gjodexter. As you didn't specify the wheel series I reviewed Vossen's site and appears they're the HF-3 (and not the M-X2), and I'm assuming PS4S and not All Season. I've entered those in the Wt N/A list, but I can correct if I'm wrong on those assumptions.
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      01-09-2023, 03:48 PM   #55
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Sharing another squared set that we mounted this past weekend!

My dad's new dedicated winter wheels.

Neuspeed Rse102
Custom finished in Satin Black
20x9.5 et25 with 8mm spacers.
(23.5lbs)

275/40/20 Vredstein Wintrac Pro
(32lbs)





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      01-10-2023, 06:32 AM   #56
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Quote:
Originally Posted by BrockDM View Post
Sharing another squared set that we mounted this past weekend! My dad's new dedicated winter wheels...
Data entered, BrockDM, and thanks again for your (and your Dad's) contributions to the list! Up to 88 total combinations so far.
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      01-12-2023, 04:40 PM   #57
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Something different...fitting a 19x9.5 up front

22.7 lbs
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      01-12-2023, 06:27 PM   #58
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Quote:
Originally Posted by goldfz8 View Post
Something different...fitting a 19x9.5 up front

22.7 lbs
Impressive! What tire are you thinking?
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      01-12-2023, 06:28 PM   #59
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Quote:
Originally Posted by BrockDM View Post
Impressive! What tire are you thinking?
275 40 19 all around
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      01-13-2023, 05:56 AM   #60
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Quote:
Originally Posted by goldfz8 View Post
Something different...fitting a 19x9.5 up front... 22.7 lbs
If you get a chance to share some pics and full specs with weights when you're done I'll add you to the known list - possibly the lightest combo so far.
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      01-13-2023, 08:40 AM   #61
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Quote:
Originally Posted by Max Well View Post
If you get a chance to share some pics and full specs with weights when you're done I'll add you to the known list - possibly the lightest combo so far.
Will do... probably mid February will get everything done.
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      01-26-2023, 06:16 AM   #62
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Received a PM from a new Member, rj202 , on 22 Jan 2023 0804AM in which he shared his combination he wished entered into the list. Was able to add to the known list as the BBS SX and Blizzak's stats already shared.

Quote:
Originally Posted by rj202
Hey,

I have another combo to add to the list:

Square setup 20x9 BBS SX ET30
Tire: Blizzak DMV2 255/50R20

They are a tight fit, but no rubbing. I don't have weights but will get come the end of the season.
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      01-31-2023, 06:52 PM   #63
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Neuspeed RSe102 20x9.5 ET25 that i repurposed off my S5. They were silver but had them powder coated high gloss black to match the trim.

Tires are Michelin Alpin 5 255/45R20 all around.

Something to keep in mind that these wheels are Ball/acorn seat. BMW OEM are conical. so you'll need to purchase M14x1.25 Ball Seat bolts to go with these.
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      02-01-2023, 06:41 AM   #64
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Quote:
Originally Posted by pmark837 View Post
Neuspeed RSe102 20x9.5 ET25 that i repurposed off my S5. They were silver but had them powder coated high gloss black to match the trim.

Tires are Michelin Alpin 5 255/45R20 all around.

Something to keep in mind that these wheels are Ball/acorn seat. BMW OEM are conical. so you'll need to purchase M14x1.25 Ball Seat bolts to go with these.
Thanks for sharing, pmark837 and for contributing to the List! I've entered your data, and it now has 91 entries with 62% having weights. You have the second lightest combination so far at only 214 lbs.

Will be interesting to see what you plan on doing for your Summer set - are you going to just change the tires and keep these wheels, or is this a dedicated Winter set like BrockDM and others run?

Once you get a taste of the improved handling these lighter combinations allow it'd be tough to go back to a heavier set!

Last edited by Max Well; 02-01-2023 at 12:21 PM..
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      02-01-2023, 07:49 AM   #65
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Quote:
Originally Posted by Max Well View Post
Thanks for sharing, pmark837 and for contributing to the List! I've entered your data, and it now has 91 entries with 62% having weights. You have the second lightest combination so far at only 214 lbs.

Will be interesting to see what you plan on doing for your Summer set - are you going to just change the tires and keep these rims, or is this a dedicated Winter set like BrockDM and others run?

Once you get a taste of the improved handling these lighter combinations allow it'd be tough to go back to a heavier set!
NP! happy to contribute. I will probably go back to my factory competition wheels since I love the style of them but I'm not 100% sure.
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      02-16-2023, 03:21 PM   #66
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19x9.5 +25 rays 57cr...to clear front 20 mm spacer required.
275/40/19 nittos.

wheel is 22.8lbs
tire 29lbs
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