04-28-2019, 02:41 PM | #1 |
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anyone here has successfully tried 788M wheels with 295/30r without rubbing?
it's pretty obvious that the 265/35 stock sizes are woefully small for the M2C, not just from a looks perspective (bulges inwards tremendously.. aka "inverse" bulging), but this car can definitely use some more rubber to the ground with the added power.
I know some folks have successfully installed 295/30 on the M2 (non-comp) wheels, but haven't seen any threads with anyone doing it on the 788M M2C wheels. anyone know or have pics?
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04-29-2019, 05:30 PM | #2 |
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nobody???
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05-02-2019, 06:01 AM | #3 | |
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If 295/30/19 works on non-comp M2 with 437m wheels, it is very safe to assume it will also work fine on M2Comp wearing same suspension setup and 788m wheels.
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05-02-2019, 07:26 AM | #5 | |
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285/30: 295/30: The 295 seems to be much closer to the diameter of the OEM tire, thus keeping the speedometer and tachometer closer in accuracy.... and wider tires to boot
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05-09-2019, 03:00 PM | #6 |
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Gosh, seems like this might be a close call but not sure I wanna be the guinea pig for this
Current OEM sizes that it came with: - 19x10j et40 788M wheels, with 265/35R19 MPSS What I'm hoping to go with: - 19x10j et40 788M wheels, with 295/30R19 MPSS the difference would be: that's a pretty substantial change from the OEM, and I'm really worried about rubbing (not so much "bulging"). If I stick with the MPSS instead of the MP4S, then 285/30 is an option, but again, there will be a substantial difference in size vs rev/speed: On my previous F80 M3, I did upsize from 275/35 to 295/35 MPSS on a 437M wheel (same 19x10j et40, as with our M2C 788M wheels), and had no issues: my car: What DOES give me hope is that DrKevM5 went 295/30's on his OG M2 with 437M wheels (same offsets), and apparently had no issues: https://f87.bimmerpost.com/forums/sh...03&postcount=1
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05-10-2019, 10:13 AM | #7 |
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found some more pics of guys with 295/30 R19's on the OG M2 (437M wheels), from this thread:
https://f87.bimmerpost.com/forums/sh....php?t=1465661
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05-16-2019, 02:07 PM | #8 |
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ok, so I did a little research, and I think a couple of the MPSS 295/30's are for sure safe to put on, and the MP4S may work as well:
Here is the MP4S vs MPSS in the OEM 265/35 size: Notice the thread width (9.6" MP4S vs 9.3"MPSS) and and section widths (10.7" on both). Here are the comparisons for MP4S vs 2 different MPSS versions: The MP4S (11" thread width, 11.9" section width) may work as it's only 1.5" larger - thus 3/4" on each side)..... the smaller MPSS ( 10.7" thread width, 11.8" section width) for sure will fit. The larger MPSS I think it will be a bit long and may rub (11.5" thread width, 11.9" section width), which would be 2 full inches wider. I'm gonna do some more digging, but I'm hoping the MP4S will fit without rubbing... worse comes to worse, the smaller MPSS will definitely fit without rubbing
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05-17-2019, 07:45 AM | #10 |
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285/30 or 285/35 is NOT ideal, if you want to keep the speed/rev count (thus how DSC and MDM operate) similar to stock:
285/35 will have the following impacts in size and speed: At 90mph, you actual speed with me +2.1mph 285/30 will be similar, but in the opposite direction: at 90mph, your actual speed is -2.1mph the closest size that would keep the count as similar as how the car was made, woulld be 295/30
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05-17-2019, 12:55 PM | #11 |
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I have run 285/35 RE-71Rs going on three years now with 0 issues. Also have everthing turned off. They definitely loose their taller height pretty fast too.
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12-20-2019, 10:37 AM | #12 |
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SUCCESS!!!
I was able to finally put 295/30R19 MP4S rears (from MPSS), and although it is slightly wider than the smaller MPSS 295's (10.4 vs 11 thread width), there is no rubbing on stock suspension. Left: 265/35 right: 295/30 both on: I will take better pics soon and post them
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12-20-2019, 02:08 PM | #14 | |
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12-20-2019, 07:19 PM | #15 |
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now that you've been running stock front and new rear size, any drastic driving dynamics? Positive or negative from the new set up.
Last edited by AZ-Wildcat; 12-31-2019 at 12:11 PM.. |
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08-06-2023, 08:45 AM | #17 |
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