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      01-13-2021, 11:50 AM   #1
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Cooling System. M3 and M4 - explained, Episode 02

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Video # 2 from BMW M

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      01-13-2021, 11:59 AM   #2
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Very interesting. Definitely don't get the ACC radar if you want to go to the track often!

So nice to see they finally have put some brake cooling ducts in the front! About time!

I also like the stone guard in front of the radiator, that is great
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      01-13-2021, 01:49 PM   #3
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These really belong grouped together as a sticky in the general section....
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      01-13-2021, 02:16 PM   #4
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Quote:
Originally Posted by xlover View Post
These really belong grouped together as a sticky in the general section....
As far as I remember there was separate threads for the tech releases back when the F8x was released.

I agree that there are positives to have these videos in one single thread. The advantage of keeping them separate is that you can have one discussion in each thread on each topic. All topics in one thread could end in a long thread that is difficult to keep track of with several tech topics discussed in the same thread.

The mods decide what they find to be the best solution.
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      01-13-2021, 02:49 PM   #5
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Quote:
Originally Posted by Boss330 View Post
As far as I remember there was separate threads for the tech releases back when the F8x was released.

I agree that there are positives to have these videos in one single thread. The advantage of keeping them separate is that you can have one discussion in each thread on each topic. All topics in one thread could end in a long thread that is difficult to keep track of with several tech topics discussed in the same thread.

The mods decide what they find to be the best solution.
Good points, I wasn't directing my comment at you more to the universe to see what the mods choose to do
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      01-13-2021, 05:41 PM   #6
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After watching the bumper disassembly, I was left wondering why they couldn’t just make a DIY for the removal since they were in there.. lol

Agree, the rock guard is a clever idea.

I see they kept the lower cooler design that had a minor tendency to get damaged on occasions. I predict the aftermarket companies will start on a design to cover it but wonder if it will maintain original design intent of negative pressure cooling.
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      01-13-2021, 05:43 PM   #7
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Brake cooling ducts
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      01-13-2021, 05:54 PM   #8
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Things like that little lip to ensure negative pressure under the oil cooler is another good sign that this car was built for intentions beyond being a sneaker marketing tool

M is still alive and well it seems.
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      01-13-2021, 10:18 PM   #9
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Quote:
Originally Posted by SYT_Shadow View Post
Oh, cue to the for all the haters entering this thread to say the presenter sucks.

All the complaints about 'bad marketing' and that 'we want engineers' and here we have an engineer explaining things. I suppose it's just not good enough for the haters.
Presenter was fine. Vertical video?! Really?
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      01-14-2021, 12:17 AM   #10
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Quote:
Originally Posted by jimbethesda View Post
Presenter was fine. Vertical video?! Really?
It's filmed for Instagram, Snapchat etc.
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      01-14-2021, 10:23 AM   #11
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So now the oil cooler is your skid plate. Careful driving these with lowered suspension.
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      01-14-2021, 10:32 AM   #12
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Quote:
Originally Posted by GRUESOM3 View Post
So now the oil cooler is your skid plate. Careful driving these with lowered suspension.
nothing new.
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      01-14-2021, 10:32 AM   #13
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In the Q&A I asked about the seemingly vulnerable oil cooler at the bottom of the car and why it seems less protected than the one from the F8x. From what I saw, there is no guard, whatsoever, protecting the cooler from debris.
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      01-14-2021, 10:36 AM   #14
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Quote:
Originally Posted by SYT_Shadow View Post
Very interesting. Definitely don't get the ACC radar if you want to go to the track often!

So nice to see they finally have put some brake cooling ducts in the front! About time!

I also like the stone guard in front of the radiator, that is great
You would think BMW have considered this and when gearbox oil gets too high it derates the car regardless of whether ACC is fitted or not.

Shame they can't hide it in the badge like some of the VAG cars.

It is nice to see that they expect people to track it though
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      01-14-2021, 10:51 AM   #15
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Quote:
Originally Posted by 2JPW View Post
You would think BMW have considered this and when gearbox oil gets too high it derates the car regardless of whether ACC is fitted or not.

Shame they can't hide it in the badge like some of the VAG cars.

It is nice to see that they expect people to track it though
I'm sure the car continues to function even if you have ACC and are at the track.

Overheating an M car is not so easy, many people will never get there. Hopefully they built off of the excellent F8X stock cooling system and made it a little better.

M cars have always served as dual duty cars and accept hard track use without many modifications. It's one of their stronger points.
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      01-14-2021, 10:58 AM   #16
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Quote:
Originally Posted by danniexi View Post
Quote:
Originally Posted by GRUESOM3 View Post
So now the oil cooler is your skid plate. Careful driving these with lowered suspension.
nothing new.
That's what I thought too. Don't the previous gen M2/3/4 have the engine oil cooler unprotected at the bottom in the same place? How is that not a problem?
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      01-14-2021, 11:03 AM   #17
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I think since they removed the front bumper, the oil cooler seems more exposed. Would be interesting to see the complete front end.
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      01-14-2021, 11:12 AM   #18
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Quote:
Originally Posted by danf72 View Post
That's what I thought too. Don't the previous gen M2/3/4 have the engine oil cooler unprotected at the bottom in the same place? How is that not a problem?
Current F8X has a plastic cover with large slits/openings but is still exposed to a degree and has on occasions have been met with untimely demises.

Maybe this has one too but they removed it prior to showing it off.
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      01-14-2021, 11:19 AM   #19
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My X3MC has that same stone guard as well
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      01-14-2021, 11:22 AM   #20
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sorry looking on my phone, not sure if it was listed above somewhere by someone already, but maybe group these all together in one thread? Jason
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      01-14-2021, 11:27 AM   #21
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Quote:
Originally Posted by GOLFFRR View Post
sorry looking on my phone, not sure if it was listed above somewhere by someone already, but maybe group these all together in one thread? Jason
But if we leave them in separate threads people can come and complain about the aesthetics in every single one! If you put them into one thread it'll be even harder to keep them on topic
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      01-14-2021, 11:32 AM   #22
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Quote:
Originally Posted by SYT_Shadow View Post
But if we leave them in separate threads people can come and complain about the aesthetics in every single one! If you put them into one thread it'll be even harder to keep them on topic
Let's give the moderators a chance to keep things orderly. By preemptively calling out negativity, you create a self-fulfilled prophecy. Great for your street cred as the next Nostradamus, but not great for discussion.

I personally prefer separate threads for these videos because they cover very distinct topics. Putting everything in one thread will make it difficult for users who are just interested in one or two technical aspects.
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