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      02-04-2022, 06:05 PM   #1
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5 Facts Most BMW F80/F82 Owners Don't Know

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Hello! I really dig my F80. I tend to go on the deep end of things. I found 5 really hard hitting facts about our car. I hope you enjoy!

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      02-04-2022, 07:06 PM   #2
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M4 has the CFRP trunk. The M3 does not.

The M3 is materially "taller" than the M4 while being a horse hair width wider.

Not sure why breaking the 12 sec 1/4 mile is of any significance as if it's breaking the speed of sound with a sonic boom? Simply put, it's the fastest M3(4) by some margin at time of release which is in and of itself not exactly a shocker since every gen M was faster than the previous gen.

The better comparison than to some vintage E30 chassis is the fact that a pedestrian F80/2 is only 15% less stiffer than the American LeMans winning, fully caged out E46 M3 GTR.

M3/4 CS and GTS have a .5 qt larger oil capacity and an additional oil pump to handle the added grip or Gs on track. They also both feature the lighter weight magnesium oil pan.

Not all F8X M3/4s come with a CF driveshaft.

2018+ ICON lights cannot be programmed to EURO/ROW spec adaptive lights like the pre-LCI units because they lack the actual hardware to pull it off.

Thanks for sharing?
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      02-04-2022, 07:27 PM   #3
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Quote:
Originally Posted by 1FZFE View Post
M4 has the CFRP trunk. The M3 does not.

The M3 is materially "taller" than the M4 while being a horse hair width wider.

Not sure why breaking the 12 sec 1/4 mile is of any significance as if it's breaking the speed of sound with a sonic boom? Simply put, it's the fastest M3(4) by some margin at time of release which is in and of itself not exactly a shocker since every gen M was faster than the previous gen.

The better comparison than to some vintage E30 chassis is the fact that a pedestrian F80/2 is only 15% less stiffer than the American LeMans winning, fully caged out E46 M3 GTR.

M3/4 CS and GTS have a .5 qt larger oil capacity and an additional oil pump to handle the added grip or Gs on track. They also both feature the lighter weight magnesium oil pan.

Not all F8X M3/4s come with a CF driveshaft.

2018+ ICON lights cannot be programmed to EURO/ROW spec adaptive lights like the pre-LCI units because they lack the actual hardware to pull it off.

Thanks for sharing?
Appreciate your additional facts and catching my mistake.

Why the thanks for playing?

BTW: I know the E46 M3 GTR is 46,000 you are probably referencing the same site ->
http://youwheel.com/home/2016/06/20/...ehensive-list/
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      02-04-2022, 07:33 PM   #4
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Quote:
Originally Posted by At the Apex View Post
Why the thanks for playing?
Based on your content, I'm not subscribing anytime soon.
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      02-04-2022, 08:27 PM   #5
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See why doctors hate the F8x…..because of these five things!
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      02-04-2022, 08:52 PM   #6
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Quote:
Originally Posted by 1FZFE View Post
Quote:
Originally Posted by At the Apex View Post
Why the thanks for playing?
Based on your content, I'm not subscribing anytime soon.
Lmaooo
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      02-22-2022, 12:54 AM   #7
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Quote:
Originally Posted by 1FZFE View Post
Based on your content, I'm not subscribing anytime soon.
He didn't ask you to subscribe. He was just trying to share 5 interesting facts he may not have know prior to owning the car and wanted to share that with others/community/youtube viewers.

You don't have to be such an a*****e to him about it.
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      02-22-2022, 10:06 AM   #8
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The part about Torsional Rigidity is interesting. What the hell does a Genesis G90 feel like?!

It's not something I've thought about much before this but admittedly I've definitely noticed it… while the steering feel for the F8X is limited, I have found that the chassis lets me know exactly what's happening on the road. On the other hand I recall driving a Z3 and thinking it was the softest car I've ever driven lol (40,000 vs 5,600).

I do wonder though - is part of the issue with the early F80s putting down power on uneven surfaces partially due to it being so rigid?
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      02-22-2022, 10:43 AM   #9
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Quote:
Originally Posted by 1FZFE View Post
M3/4 CS and GTS have a .5 qt larger oil capacity and an additional oil pump to handle the added grip or Gs on track. They also both feature the lighter weight magnesium oil pan.
I thought this wasn't true? There is no additional oil pump. The magnesium pan was also stock on the first model year M3's and then was discontinued due to cost, and I thought the CS had the same capacity as the regular M3 - it was just a mistake on the CS literature. CanAutM3 ?
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      02-22-2022, 11:33 AM   #10
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Quote:
Originally Posted by Soul Coughing View Post
I thought this wasn't true? There is no additional oil pump. The magnesium pan was also stock on the first model year M3's and then was discontinued due to cost, and I thought the CS had the same capacity as the regular M3 - it was just a mistake on the CS literature. CanAutM3 ?
Nope. It's correct.

Edit: clarification - I was referring to the increased oil capacity and magnesium pan.

Last edited by 11LMBiSTT; 02-22-2022 at 02:47 PM..
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      02-22-2022, 02:12 PM   #11
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Quote:
Originally Posted by Soul Coughing View Post
I thought this wasn't true? There is no additional oil pump. The magnesium pan was also stock on the first model year M3's and then was discontinued due to cost, and I thought the CS had the same capacity as the regular M3 - it was just a mistake on the CS literature. CanAutM3 ?
The M4GTS, M4cs and M3cs all share the same unique oil pans and 132.8mm oil level sensors that are not shared with other F8X models. According to BMW technical literature, this is to accommodate a larger oil sump capacity by 0.5L to 6.5L in support of 1.4g cornering capability. It is not clear if the GTS/CS oil sump is magnesium, with the only mention of it found in the M3/4cs press release.

I don't recall any mention of an additional oil pump though.
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Last edited by CanAutM3; 02-22-2022 at 04:13 PM..
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      02-22-2022, 02:32 PM   #12
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I just watched the video. If you want publish “facts” about the F8X, at least get them straight. The M3 is not "more aerodynamic" (whatever that means) than the M4. It's actually the other way around. Both have the same Cd, but because the M4 has a lower frontal area, it has less drag. Further, since the base 4-series overall shape was prone to more rear end lift than the base 3-series, BMW ///M decided to redesign the rear deck lid on the M4 to reduce lift and took the opportunity to make it lighter in the process. The M4 rear deck lid is actually a more aerodynamically efficient design than the M3's because the "spoiler" is integrated. So "in fact", the M4 is more aerodynamically efficient than the M3 (albeit by a small margin).
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Last edited by CanAutM3; 02-23-2022 at 04:14 AM..
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      02-23-2022, 09:22 AM   #13
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Quote:
Originally Posted by CanAutM3 View Post
I just watched the video. If you want publish "facts" about the F8X, at least get them straight. The M3 is not "more aerodynamic" (whatever that means) than the M4. It's actually the other way around. Both have the same Cd, but because the M4 has a lower frontal area, it has less drag. Further, since the base 4-series overall shape was prone to more rear end lift than the base 3-series, BMW ///M decided to redesign the rear deck lid on the M4 to reduce lift and took the opportunity to make it lighter in the process. The M4 rear deck lid is actually a more aerodynamically efficient design than the M3's because the "spoiler" is integrated. So "in fact", the M4 is more aerodynamically efficient than the M3 (albeit by a small margin).
Based on this chart, the engine oil capacity of the M3/M4 is 6.5 liters like the GTS. Typo? (Weird because they go out of their way to directly say the GTS has .5 more) :
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      02-23-2022, 11:41 AM   #14
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Quote:
Originally Posted by F82KPowers View Post
Based on this chart, the engine oil capacity of the M3/M4 is 6.5 liters like the GTS. Typo? (Weird because they go out of their way to directly say the GTS has .5 more) :
GTS/CS: 6.5L sump capacity without filter / 7.0L total oil with filter
Other S55: 6.0L sump capacity without filter / 6.5L total oil with filter

See what the little "1)" means in that chart:
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      02-23-2022, 03:03 PM   #15
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Quote:
Originally Posted by CanAutM3 View Post
The M4GTS, M4cs and M3cs all share the same unique oil pans and 132.8mm oil level sensors that are not shared with other F8X models. According to BMW technical literature, this is to accommodate a larger oil sump capacity by 0.5L to 6.5L in support of 1.4g cornering capability. It is not clear if the GTS/CS oil sump is magnesium, with the only mention of it found in the M3/4cs press release.

I don't recall any mention of an additional oil pump though.
Thanks for the info! I also remember reading that the early 2015 M3's had magnesium sumps (stopped around Nov/Dec 2014 build dates), but that they were then discontinued due to cost/corrosion issues. I would be curious to see if the dimensions of the M4GTS, M4cs and M3cs were different and actually magnesium (the CS); compared to the earlier civic magnesium sump and the later Al version.
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      02-24-2022, 05:48 PM   #16
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Quote:
Originally Posted by CanAutM3 View Post
The M3 is not "more aerodynamic" (whatever that means) than the M4. It's actually the other way around. Both have the same Cd, but because the M4 has a lower frontal area, it has less drag.
This is correct.

To further explain, a common misconception is that CD is a stand alone measurement of drag, ie a lower CD means the car has less overall drag than another car with a higher CD. It's not. It's a coefficient based upon the fluid which the object is passing through and relevant area. A car with a low CD basically means that it has aerodynamic properties that reduce it's drag compared to it's frontal surface area. So the M3 and M4 can have the same CD, but the M4 can actually experience less drag because it has less frontal area.
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      02-24-2022, 09:58 PM   #17
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Quote:
Originally Posted by 11LMBiSTT View Post
He didn't ask you to subscribe. He was just trying to share 5 interesting facts he may not have know prior to owning the car and wanted to share that with others/community/youtube viewers.

You don't have to be such an a*****e to him about it.
Thank you!
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      02-24-2022, 10:03 PM   #18
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Quote:
Originally Posted by CanAutM3 View Post
I just watched the video. If you want publish “facts” about the F8X, at least get them straight. The M3 is not "more aerodynamic" (whatever that means) than the M4. It's actually the other way around. Both have the same Cd, but because the M4 has a lower frontal area, it has less drag. Further, since the base 4-series overall shape was prone to more rear end lift than the base 3-series, BMW ///M decided to redesign the rear deck lid on the M4 to reduce lift and took the opportunity to make it lighter in the process. The M4 rear deck lid is actually a more aerodynamically efficient design than the M3's because the "spoiler" is integrated. So "in fact", the M4 is more aerodynamically efficient than the M3 (albeit by a small margin).
Read this thread which was my source:

https://f80.bimmerpost.com/forums/sh....php?t=1012154
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      02-25-2022, 07:38 AM   #19
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Quote:
Originally Posted by At the Apex View Post
Read this thread which was my source:

https://f80.bimmerpost.com/forums/sh....php?t=1012154
And that thread is a reliable source how?

And if you’d actually read through it, you’ll see I said the exact same thing back then then I am saying now…
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      02-25-2022, 07:47 AM   #20
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Quote:
Originally Posted by At the Apex View Post
Quote:
Originally Posted by CanAutM3 View Post
I just watched the video. If you want publish “facts” about the F8X, at least get them straight. The M3 is not "more aerodynamic" (whatever that means) than the M4. It's actually the other way around. Both have the same Cd, but because the M4 has a lower frontal area, it has less drag. Further, since the base 4-series overall shape was prone to more rear end lift than the base 3-series, BMW ///M decided to redesign the rear deck lid on the M4 to reduce lift and took the opportunity to make it lighter in the process. The M4 rear deck lid is actually a more aerodynamically efficient design than the M3's because the "spoiler" is integrated. So "in fact", the M4 is more aerodynamically efficient than the M3 (albeit by a small margin).
Read this thread which was my source:

https://f80.bimmerpost.com/forums/sh....php?t=1012154
You told him to read a thread that he was a part of where he said the same exact thing lol
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      02-26-2022, 12:46 PM   #21
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Another fun fact. The F80 and F82 rear bumper and front fenders are different sizes and not interchangeable even though they look the same to the naked eye
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