F8X S55 owners BEWARE!!!!

WeekendWarriorz · 07-23-2022, 05:50 PM

Quote:

Originally Posted by BGut12

Quote:

Originally Posted by WeekendWarriorz

Here's an update to the OP's car. Almost two years later the replacement charge air cooler failed again. The car is at 42k miles and on its second charge air cooler.

Codes found via MHD include:
108C01- Charge air temperature, plausibility:temperature too high
120408- Charging pressure control: Switch-off as consequential reaction
20A201- Charge air, cooling system: Dry-run detected

i just got these same codes when pulling up my codes on MHD. so this pretty much means my tmic is screwed and i should upgrade? or what else do i need to do? did coolant more than likely leak into the intake manifold like your original post? i don't know what to do, any help appreciated. i will check the j pipe and coolant level once i'm home after the weekend to see what's going on but i can't right now, just worried.

Most likely. Check the reservoir and if it's dry, time for a new charge air cooler.

BGut12 · 07-23-2022, 05:52 PM

Quote:

Originally Posted by WeekendWarriorz

Quote:

Originally Posted by BGut12

Quote:

Originally Posted by WeekendWarriorz

Here's an update to the OP's car. Almost two years later the replacement charge air cooler failed again. The car is at 42k miles and on its second charge air cooler.

Codes found via MHD include:
108C01- Charge air temperature, plausibility:temperature too high
120408- Charging pressure control: Switch-off as consequential reaction
20A201- Charge air, cooling system: Dry-run detected

i just got these same codes when pulling up my codes on MHD. so this pretty much means my tmic is screwed and i should upgrade? or what else do i need to do? did coolant more than likely leak into the intake manifold like your original post? i don't know what to do, any help appreciated. i will check the j pipe and coolant level once i'm home after the weekend to see what's going on but i can't right now, just worried.

Most likely. Check the reservoir and if it's dry, time for a new charge air cooler.

ok appreciate it. i'll be sure to check that.

NickyC · 07-27-2022, 09:57 PM

I was cleaning up my engine bay this past weekend as I was taking it in for servicing this past Monday (I like to make it look like I care to the tech hah), and did my monthly check of the coolant level for the intercooler reservoir. For the first time in five years of ownership of an F8x, the level actually dropped (I'd say it was about half the normal level)! I have a 15 now with just under 60k miles, so figured I had a leak and asked the BMW tech to please check for any said leaks. They pressure tested the entire system, found no leaks, and filled her up. I'll be keeping a very close eye on it the new couple weeks however for sure.

It's been very very hot around here lately, and they said it was normal for it to lose a bit of coolant. I only half believe that but we'll see!

WeekendWarriorz · 08-05-2022, 06:12 PM

Quote:

Originally Posted by NickyC

I was cleaning up my engine bay this past weekend as I was taking it in for servicing this past Monday (I like to make it look like I care to the tech hah), and did my monthly check of the coolant level for the intercooler reservoir. For the first time in five years of ownership of an F8x, the level actually dropped (I'd say it was about half the normal level)! I have a 15 now with just under 60k miles, so figured I had a leak and asked the BMW tech to please check for any said leaks. They pressure tested the entire system, found no leaks, and filled her up. I'll be keeping a very close eye on it the new couple weeks however for sure.

It's been very very hot around here lately, and they said it was normal for it to lose a bit of coolant. I only half believe that but we'll see!

The only way the fluid inside the system can evaporate is if you're running the car extremely hard where intake air temperatures are close to boiling, another thing I've seen on B58 powered cars is the cap for the reservoir system doesn't seal properly allowing the heat from the engine bay to actually make the fluid evaporate. On this platform I've seen neither and it's almost always guaranteed that the charge air cooler is leaking.

On another note if you replace the charge air cooler. I do not recommend getting a piece like VRSF, BMS, CSF etc unless you're just looking for a cheap replacement to get by. Those are guaranteed
to lose power.

NickyC · 08-05-2022, 07:28 PM

Quote:

Originally Posted by WeekendWarriorz

The only way the fluid inside the system can evaporate is if you're running the car extremely hard where intake air temperatures are close to boiling, another thing I've seen on B58 powered cars is the cap for the reservoir system doesn't seal properly allowing the heat from the engine bay to actually make the fluid evaporate. On this platform I've seen neither and it's almost always guaranteed that the charge air cooler is leaking.

On another note if you replace the charge air cooler. I do not recommend getting a piece like VRSF, BMS, CSF etc unless you're just looking for a cheap replacement to get by. Those are guaranteed
to lose power.

We'll see thanks, it's week and a half later and the level hasn't dropped. If it goes, I'm just getting another stock unit.

KevM2 · 08-06-2022, 06:39 PM

Quote:

Originally Posted by WeekendWarriorz

Quote:

Originally Posted by NickyC

I was cleaning up my engine bay this past weekend as I was taking it in for servicing this past Monday (I like to make it look like I care to the tech hah), and did my monthly check of the coolant level for the intercooler reservoir. For the first time in five years of ownership of an F8x, the level actually dropped (I'd say it was about half the normal level)! I have a 15 now with just under 60k miles, so figured I had a leak and asked the BMW tech to please check for any said leaks. They pressure tested the entire system, found no leaks, and filled her up. I'll be keeping a very close eye on it the new couple weeks however for sure.

It's been very very hot around here lately, and they said it was normal for it to lose a bit of coolant. I only half believe that but we'll see!

The only way the fluid inside the system can evaporate is if you're running the car extremely hard where intake air temperatures are close to boiling, another thing I've seen on B58 powered cars is the cap for the reservoir system doesn't seal properly allowing the heat from the engine bay to actually make the fluid evaporate. On this platform I've seen neither and it's almost always guaranteed that the charge air cooler is leaking.

On another note if you replace the charge air cooler. I do not recommend getting a piece like VRSF, BMS, CSF etc unless you're just looking for a cheap replacement to get by. Those are guaranteed
to lose power.

Wow could you please elaborate on why CSF would be losing power?? I'm about to install it on my car and it was definitely not cheap on the wallet so I'm very curious to know what's cheap and how it loses power when many race cars use this one

WeekendWarriorz · 08-06-2022, 06:47 PM

Quote:

Originally Posted by KevM2

Quote:

Originally Posted by WeekendWarriorz

Quote:

Originally Posted by NickyC

I was cleaning up my engine bay this past weekend as I was taking it in for servicing this past Monday (I like to make it look like I care to the tech hah), and did my monthly check of the coolant level for the intercooler reservoir. For the first time in five years of ownership of an F8x, the level actually dropped (I'd say it was about half the normal level)! I have a 15 now with just under 60k miles, so figured I had a leak and asked the BMW tech to please check for any said leaks. They pressure tested the entire system, found no leaks, and filled her up. I'll be keeping a very close eye on it the new couple weeks however for sure.

It's been very very hot around here lately, and they said it was normal for it to lose a bit of coolant. I only half believe that but we'll see!

The only way the fluid inside the system can evaporate is if you're running the car extremely hard where intake air temperatures are close to boiling, another thing I've seen on B58 powered cars is the cap for the reservoir system doesn't seal properly allowing the heat from the engine bay to actually make the fluid evaporate. On this platform I've seen neither and it's almost always guaranteed that the charge air cooler is leaking.

On another note if you replace the charge air cooler. I do not recommend getting a piece like VRSF, BMS, CSF etc unless you're just looking for a cheap replacement to get by. Those are guaranteed
to lose power.

Wow could you please elaborate on why CSF would be losing power?? I'm about to install it on my car and it was definitely not cheap on the wallet so I'm very curious to know what's cheap and how it loses power when many race cars use this one

Video speaks for itself. The Mishimoto unit is the best charge air cooler for the money and they have extensive R&D/real logging on their website. There are a few others which are good but they are much more costly.

1FZFE · 08-06-2022, 07:08 PM

Quote:

Originally Posted by KevM2

many race cars use this one

What many race cars?

KevM2 · 08-06-2022, 08:55 PM

Quote:

Originally Posted by WeekendWarriorz

Quote:

Originally Posted by KevM2

Quote:

Originally Posted by WeekendWarriorz

Quote:

Originally Posted by NickyC

I was cleaning up my engine bay this past weekend as I was taking it in for servicing this past Monday (I like to make it look like I care to the tech hah), and did my monthly check of the coolant level for the intercooler reservoir. For the first time in five years of ownership of an F8x, the level actually dropped (I'd say it was about half the normal level)! I have a 15 now with just under 60k miles, so figured I had a leak and asked the BMW tech to please check for any said leaks. They pressure tested the entire system, found no leaks, and filled her up. I'll be keeping a very close eye on it the new couple weeks however for sure.

It's been very very hot around here lately, and they said it was normal for it to lose a bit of coolant. I only half believe that but we'll see!

The only way the fluid inside the system can evaporate is if you're running the car extremely hard where intake air temperatures are close to boiling, another thing I've seen on B58 powered cars is the cap for the reservoir system doesn't seal properly allowing the heat from the engine bay to actually make the fluid evaporate. On this platform I've seen neither and it's almost always guaranteed that the charge air cooler is leaking.

On another note if you replace the charge air cooler. I do not recommend getting a piece like VRSF, BMS, CSF etc unless you're just looking for a cheap replacement to get by. Those are guaranteed
to lose power.

Wow could you please elaborate on why CSF would be losing power?? I'm about to install it on my car and it was definitely not cheap on the wallet so I'm very curious to know what's cheap and how it loses power when many race cars use this one

Video speaks for itself. The Mishimoto unit is the best charge air cooler for the money and they have extensive R&D/real logging on their website. There are a few others which are good but they are much more costly.

Thanks for bringing this to my attention before I went ahead with installing it. Needless to say, I'm very disappointed and I'll be looking at getting either Mishimoto, BMS, or the more costly Bimmerworld one.

WeekendWarriorz · 08-06-2022, 11:14 PM

Quote:

Originally Posted by KevM2

Quote:

Originally Posted by WeekendWarriorz

Quote:

Originally Posted by KevM2

Quote:

Originally Posted by WeekendWarriorz

Quote:

Originally Posted by NickyC

I was cleaning up my engine bay this past weekend as I was taking it in for servicing this past Monday (I like to make it look like I care to the tech hah), and did my monthly check of the coolant level for the intercooler reservoir. For the first time in five years of ownership of an F8x, the level actually dropped (I'd say it was about half the normal level)! I have a 15 now with just under 60k miles, so figured I had a leak and asked the BMW tech to please check for any said leaks. They pressure tested the entire system, found no leaks, and filled her up. I'll be keeping a very close eye on it the new couple weeks however for sure.

It's been very very hot around here lately, and they said it was normal for it to lose a bit of coolant. I only half believe that but we'll see!

The only way the fluid inside the system can evaporate is if you're running the car extremely hard where intake air temperatures are close to boiling, another thing I've seen on B58 powered cars is the cap for the reservoir system doesn't seal properly allowing the heat from the engine bay to actually make the fluid evaporate. On this platform I've seen neither and it's almost always guaranteed that the charge air cooler is leaking.

On another note if you replace the charge air cooler. I do not recommend getting a piece like VRSF, BMS, CSF etc unless you're just looking for a cheap replacement to get by. Those are guaranteed
to lose power.

Wow could you please elaborate on why CSF would be losing power?? I'm about to install it on my car and it was definitely not cheap on the wallet so I'm very curious to know what's cheap and how it loses power when many race cars use this one

Video speaks for itself. The Mishimoto unit is the best charge air cooler for the money and they have extensive R&D/real logging on their website. There are a few others which are good but they are much more costly.

Thanks for bringing this to my attention before I went ahead with installing it. Needless to say, I'm very disappointed and I'll be looking at getting either Mishimoto, BMS, or the more costly Bimmerworld one.

Mishimoto, bimmer world, or Garret.

For the money, you can't beat Mishimoto

TopJimmy · 08-07-2022, 07:13 AM

Mishi
Mishi
Mishi

KevM2 · 08-07-2022, 10:33 PM

Good to see Mishi is getting more votes. I'm really trying to pick the best one in terms of reliability and also not losing any power… what do you guys think of the Wagner one? Only downside to it seems to be some slight modification needed for fitment

WeekendWarriorz · 08-07-2022, 10:37 PM

Quote:

Originally Posted by KevM2

Good to see Mishi is getting more votes. I'm really trying to pick the best one in terms of reliability and also not losing any power… what do you guys think of the Wagner one? Only downside to it seems to be some slight modification needed for fitment

Wagner is the same as the others. Mishimoto bro, no need to overcomplicate.

MR RIZK · 08-08-2022, 04:54 AM

If I had disposable income I would get the PWR/C&R however since I drive a BMW and not a Porsche will be getting the Mishimoto when the need arises.

TopJimmy · 08-08-2022, 06:59 AM

Quote:

Originally Posted by KevM2

Good to see Mishi is getting more votes. I'm really trying to pick the best one in terms of reliability and also not losing any power… what do you guys think of the Wagner one? Only downside to it seems to be some slight modification needed for fitment

I have the Wagner. It fits, just barely, on an engine without PI. Maybe a fuzz tape is needed. PI or a manifold pushes up another half inch and makes it harder. I made it work without cutting.

Take the Mishi.

NJtoGU · 08-15-2022, 11:17 PM

Hey guys. Guess I'm having the same issue. Live on a tropical island where it's 90 degrees everyday all year. My intercooler reservoir is filled but the other one is dry af. The aluminum intercooler piece(don't know technical name) was very warm to the touch after normal driving. Next steps? -edit: 2019 m2c

KevM2 · 08-15-2022, 11:28 PM

Quote:

Originally Posted by NJtoGU

Hey guys. Guess I'm having the same issue. Live on a tropical island where it's 90 degrees everyday all year. My intercooler reservoir is filled but the other one is dry af. The aluminum intercooler piece(don't know technical name) was very warm to the touch after normal driving. Next steps? -edit: 2019 m2c

By "the other one" you mean the radiator reservoir?

NJtoGU · 08-15-2022, 11:29 PM

Quote:

Originally Posted by KevM2

Quote:

Originally Posted by NJtoGU

Hey guys. Guess I'm having the same issue. Live on a tropical island where it's 90 degrees everyday all year. My intercooler reservoir is filled but the other one is dry af. The aluminum intercooler piece(don't know technical name) was very warm to the touch after normal driving. Next steps? -edit: 2019 m2c

By "the other one" you mean the radiator reservoir?

Yeah

papasmurf_m3 · 08-16-2022, 12:04 AM

Quote:

Originally Posted by TopJimmy

I have the Wagner. It fits, just barely, on an engine without PI. Maybe a fuzz tape is needed. PI or a manifold pushes up another half inch and makes it harder. I made it work without cutting.

Take the Mishi.

Hey Jimmy!! I know the wagner wont work if you have a CS hood and port injection. Im not going to change my CS hood. So, other than a stock do you know if the garret or mishi fit?

TopJimmy · 08-16-2022, 12:14 PM

Quote:

Originally Posted by papasmurf_m3

Quote:

Originally Posted by TopJimmy

I have the Wagner. It fits, just barely, on an engine without PI. Maybe a fuzz tape is needed. PI or a manifold pushes up another half inch and makes it harder. I made it work without cutting.

Take the Mishi.

Hey Jimmy!! I know the wagner wont work if you have a CS hood and port injection. Im not going to change my CS hood. So, other than a stock do you know if the garret or mishi fit?

I've asked my buddy. Will report back.

Rokoz · 08-16-2022, 12:18 PM

I agree with many here.... Mishimoto top mount or bust

KevM2 · 08-17-2022, 11:26 PM

Quote:

Originally Posted by NJtoGU

Quote:

Originally Posted by KevM2

Quote:

Originally Posted by NJtoGU

Hey guys. Guess I'm having the same issue. Live on a tropical island where it's 90 degrees everyday all year. My intercooler reservoir is filled but the other one is dry af. The aluminum intercooler piece(don't know technical name) was very warm to the touch after normal driving. Next steps? -edit: 2019 m2c

By "the other one" you mean the radiator reservoir?

Yeah

That's very strange. I can't imagine a situation where the reservoir for the engine coolant would be empty and the one for the intercooler at normal levels specially given that the intercooler one sits somewhat higher than the other one… unless maybe you have a leak somewhere closer to the radiator and the coolant in the intercooler tank hasn't been affected yet…. Maybe someone with more technical knowledge in the M2 cooling system can shine some light on how this can happen. I'd say top it off and keep a close eye on it and check for any obvious leaks… even better take it to the dealer let them do a pressure leak test… keep us updated

Also, when you said that the intercooler was warm to the touch after driving it, did you check it right away after you stopped driving? I ask because soon after the car is turned off, the charge cooler warms up very rapidly.. and if you got normal levels of fluid in the intercooler, it should always feel somewhat cool to the touch after driving

07-27-2022, 09:57 PM	#641
NickyC Lieutenant General 17445 Rep 10,647 Posts Drives: M4 CS. Former G82, x2 F82, F80 Join Date: Nov 2010 Location: Jacked out of my mind iTrader: (23)	I was cleaning up my engine bay this past weekend as I was taking it in for servicing this past Monday (I like to make it look like I care to the tech hah), and did my monthly check of the coolant level for the intercooler reservoir. For the first time in five years of ownership of an F8x, the level actually dropped (I'd say it was about half the normal level)! I have a 15 now with just under 60k miles, so figured I had a leak and asked the BMW tech to please check for any said leaks. They pressure tested the entire system, found no leaks, and filled her up. I'll be keeping a very close eye on it the new couple weeks however for sure. It's been very very hot around here lately, and they said it was normal for it to lose a bit of coolant. I only half believe that but we'll see!
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08-07-2022, 07:13 AM	#649
TopJimmy Major General 5450 Rep 5,143 Posts Drives: 2023 M3 Comp xDrive Join Date: Jul 2019 Location: Chester County, PA iTrader: (5)	Mishi Mishi Mishi __________________ '18 F80 Base 6MT \| '19 F82 Exec DCT \| '18 F82 Comp Exec DCT \| '23 G80cx
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08-07-2022, 10:33 PM	#650
KevM2 Captain 722 Rep 929 Posts Drives: 2019 F87 M2C, 2023 G87 M2 Join Date: Mar 2018 Location: North America iTrader: (0) Garage List BMW M2 Competition [0.00] [0.00]	Good to see Mishi is getting more votes. I'm really trying to pick the best one in terms of reliability and also not losing any power… what do you guys think of the Wagner one? Only downside to it seems to be some slight modification needed for fitment
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08-08-2022, 04:54 AM	#652
MR RIZK Major 758 Rep 1,336 Posts Drives: AW M2C Join Date: Mar 2013 Location: Australia iTrader: (0)	If I had disposable income I would get the PWR/C&R however since I drive a BMW and not a Porsche will be getting the Mishimoto when the need arises. __________________ Previous Rides: 13' 135i, 08' 130i, 03' HKS Turbo'd 350z, Modded GC8 WRX, NA MX5
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08-15-2022, 11:17 PM	#654
NJtoGU Registered 0 Rep 2 Posts Drives: 2019 bmw m2 comp Join Date: Jun 2022 Location: Gu iTrader: (0)	Hey guys. Guess I'm having the same issue. Live on a tropical island where it's 90 degrees everyday all year. My intercooler reservoir is filled but the other one is dry af. The aluminum intercooler piece(don't know technical name) was very warm to the touch after normal driving. Next steps? -edit: 2019 m2c
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08-16-2022, 12:18 PM	#659
Rokoz Lieutenant 293 Rep 495 Posts Drives: 2016 f80 M3 Join Date: Jul 2017 Location: Vermont iTrader: (0)	I agree with many here.... Mishimoto top mount or bust __________________ Instagram: @f80ghost
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