View Poll Results: which size would you opt for. | |||
20 inch fitment (OEM) | 57 | 51.82% | |
21 inch fitment | 53 | 48.18% | |
Voters: 110. You may not vote on this poll |
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12-04-2018, 10:27 AM | #1 |
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BBS FI-R interest thread...poll
Hello All
this is an interest thread merely for the purpose of seeing how many f90 M5 owners would like to own a set of the iconic FI-R wheels i gave 2 options 20inch oem fitment or 21inch fitment. If we gather enough interest BBS "may" look at doing this fitment. I have enclosed some pics for reference. thanks IND |
12-04-2018, 11:44 AM | #2 |
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Best wheels out there - would like to see an option for 20" front and 21" rear too.
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SCOTT26 "So as an admirer of the M5 and a potential customer of an M5 Touring. I would run naked around the streets of Garching if they were to offer one."
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12-05-2018, 12:27 PM | #4 | |
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You can't do that on this car!!!
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12-05-2018, 12:43 PM | #5 | |
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So from identical circumference front and rear up to 2.3% bigger at the rear. Running 275/35r20 and 295/30r21 is only 1.4% different and 275/35r20 and 305/30r21 is 2.2% different
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SCOTT26 "So as an admirer of the M5 and a potential customer of an M5 Touring. I would run naked around the streets of Garching if they were to offer one."
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12-05-2018, 01:15 PM | #6 | ||
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Didn't know we have that size, all I know is 275 front and 285 back which is 1.1 % Bmw recommendation is 1.3% or less Obviously less is better. Rim width doesn't effect the rolling diameter much but, you can't stretch the tire to much. This is old article from BMW : "The tire circumference can fluctuate up to 1% or more as a result of mixed tires or wear. The tire tolerance logic decides depending on the driver's command and driving situation whether the slip is to occur in the transfer case clutch or at the contact area between tire and road. If the slip is permitted in the transfer case clutch, the locking pressure set by the pre-con- trol is reduced in order to keep the work loss low. In the driving dynamic control situation, the clutch is locked slightly more than normal, the four wheel drive is always guaranteed when required. For maximum xDrive performance, tires (and wheels) of the same diameter should be installed on the vehicle."
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12-05-2018, 01:22 PM | #7 | |
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https://www.realoem.com/bmw/enUS/sho...diagId=36_2297 I was doing 27.98" / 27.35" = 1.023035 for the 265 and 285 option Then for my 21" concept, 28.21" / 27.58" = 1.022843
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SCOTT26 "So as an admirer of the M5 and a potential customer of an M5 Touring. I would run naked around the streets of Garching if they were to offer one."
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12-05-2018, 02:02 PM | #8 | ||
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Your first option would be acceptable, second one IMO not so much. Any AWD manufacturers ( like Subaru ) don't recommend to go over 1% they are pioneers in AWD I personally like to stay below 1.3% to be safe
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12-05-2018, 07:57 PM | #9 |
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Interesting that there are more 21" wheels selected via the poll.
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CURRENT: 22' INDIVIDUAL M5| CHALK | TARTUFO | CCB | MPE | H&R | IND
GONE: 19' M5C| SINGAPORE GREY| ARAGON|VELOS VLS-06|H&R|iPE|IND|XPEL|CF|RADENSO GONE: 15' F10 M5|BSM|BLACK|VELOS VSS-S2|KW|AKRA|IND|CF |ESCORT 360|VELOS PIGGY GONE: 13' F10 M5|SG|BLACK|AKRA|KW|IND LONG GONE: 09' E60 M5|02' E39 M5 |
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12-11-2018, 11:25 AM | #12 |
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Im down for a set in 20
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12-11-2018, 03:40 PM | #13 |
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They better hurry - come april i need some new shoes
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12-13-2018, 10:41 AM | #14 |
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My GOD that M4 looks good. I'm interested...
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12-14-2018, 11:40 PM | #16 |
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F90 needs 21s. Just got a comp and the 20s honestly look small for the wheel well
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12-17-2018, 09:10 PM | #18 |
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^^^this^^^^
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CURRENT: 22' INDIVIDUAL M5| CHALK | TARTUFO | CCB | MPE | H&R | IND
GONE: 19' M5C| SINGAPORE GREY| ARAGON|VELOS VLS-06|H&R|iPE|IND|XPEL|CF|RADENSO GONE: 15' F10 M5|BSM|BLACK|VELOS VSS-S2|KW|AKRA|IND|CF |ESCORT 360|VELOS PIGGY GONE: 13' F10 M5|SG|BLACK|AKRA|KW|IND LONG GONE: 09' E60 M5|02' E39 M5 |
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12-18-2018, 10:04 AM | #19 | |
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12-18-2018, 01:11 PM | #20 | |
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Aesthetically speaking, I like the look of a larger wheel better, in this case 21". This is 100% subjective and based solely on my preferences.
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CURRENT: 22' INDIVIDUAL M5| CHALK | TARTUFO | CCB | MPE | H&R | IND
GONE: 19' M5C| SINGAPORE GREY| ARAGON|VELOS VLS-06|H&R|iPE|IND|XPEL|CF|RADENSO GONE: 15' F10 M5|BSM|BLACK|VELOS VSS-S2|KW|AKRA|IND|CF |ESCORT 360|VELOS PIGGY GONE: 13' F10 M5|SG|BLACK|AKRA|KW|IND LONG GONE: 09' E60 M5|02' E39 M5 |
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12-20-2018, 11:22 PM | #22 |
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Good news boys.
Top brass mentioned to me this is marked "heavy consideration" at the next meeting in the new year! We're moving in the right direction. Considering it was a "no" before. I've sent a copy of this thread to them as well. Keep the votes rolling in 😬 |
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