BMW N63 CHEAP INTERCOOLER UPGRADE! Dinan’s little secret
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- Опубликовано: 28 окт 2023
- In this video I show you my first hand experience installing a cheap intercooler upgrade that nobody has done before (as far as I'm aware) on the N63 and N63TU... well sorta! Dinan rebranded these intercoolers long ago as their own for the N63 and N63TU however at this point their kit is out of reach for the average N63 owner. While this alternative is much cheaper than the Dinan Kit it will take up quite a lot more time to install and only really makes sense for a DIYer such as myself (with some help). I hope you enjoy this video and are inspired to take on some DIY jobs of your own :D
Dinan instructions:
documents.holley.com/d330-001...
Intercooler hoses (2” to 2.5”)
www.amazon.ca/dp/B094HXL1TR?r...
I am not responsible for any damages you may incur by following the steps outlined in my video!
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Interesting ! Keep up the good work !
Wow... That's definitely a huge amount of works. Just wondering why didn't you take the S63 intercooler when the expenses have to be that high....apart from the fact you already have those Dinan ones.
Good question! I technically did use an S63 intercooler :) but I think you mean S63TU. The intercoolers used on the S63tu would be even more work to retrofit since the location of the intercooler reservoir would have to change to the side of the engine. Several more lines need to be lengthened by significantly more or just replaced altogether which would bump up the cost a lot. Perhaps I’ll give the S63TU intercoolers a try one day in the future:D
@@dariusGarage have your way at it bro
Can you do this with upgrades chargepipes!! ?? 😅😅 already getting new ones and would love to still save money on these intercoolers
If you are talking about the ARM charge pipes, they may be helpful in the sense that the metal section may be used to fit these intercoolers since the stock charge pipes won’t work. If they did work it would make the upgrade that much more attainable since you wouldn’t need to have custom charge pipes made like I did. The rubber section of those charge pipes will be useless as the don’t have enough bend (needs to be 90 degree).
However there are 2 problems I foresee with the ARM charge pipe metal ends… the chargepipes need to different lengths (bank 1 needs to be significantly longer than bank 2). This was done with a longer metal section, not the rubber. Second off, the metal section was not made straight relative to the turbo outlet flange, it looks like the ARM metal section was made straight relative to the flange. This is important because with straight metal sections the end of the charge pipe will point at the intercooler, not go over the top of it. The problem with that is that the rubber piece will need to be forced on and sit in an unnatural position (if you can even get it on) which will lead to a higher chance of it blowing up or off down the road.
Awesome video. Still haven't finished it, but I read somewhere that you can buy all the adapter kit parts from Dinan for like 250 or 300 USD? Do you know if that's true and they sell those parts separately? That would be pretty awesome cause then all you need is the E70 stock intercoolers.
I was looking for the adapter kit but couldn’t find it anywhere online. Maybe a Dinan dealer could get ahold of it but I never asked! We’ll have a 1/4 mile run with these installed soon! I feel a difference top end but could just be placebo :)
@@dariusGarageyeah I didn't find it online either. But gonna drop Dinan a message. Im assuming they must have as some people might buy the intercoolers used without the parts. What about the E70 stock charge pipes, they don't work?
@@112rorz i explained that in the video:) there’s three fitment issues… the intercooler coolant reservoir is in the way and the turbo outlet flanges are offset for S63 vs parallel for N63. Plus the S63 turbos sit closer together and they are hard plastic. They are only meant for the X5M S63 turbo and cooling configuration
@@dariusGarage yep, I need to watch the video fully when I get the time, and will be back with more questions 😛
I have original n63 and it does have the coolant lines to the dme
Interesting, what year and model?
Do you think it would be a problem if I don’t re install the lower bolts and just do the top one when putting back the intercooler?
Assuming you are talking about stock intercoolers you could probably get away with reinstalling the easier bottom screw and the top one.
So they’re the exact same as the Dinan coolers? But compared to the alpina coolers, are they smaller or larger too
Yes, they are essentially dinan intercoolers minus the black finish and they have a bracket you need to cut off. The first F chassis B7s also used these intercoolers and all F chassis N63 alpinas used the cores of these intercoolers with a modified top side for easier connection and optimized flow
Hey appreciate the video fr but i have a question i was hoping you could possibly answer. So if i wanted to upgrade my intercoolers, i should look for the e70 s63 model? I have a n63tu and i just want to make sure before upgrading my car.
What are those pipes connecting to the intercooler?
Thank you for tuning in! Yes the intercoolers featured in this video are from an E70 X5M S63 (non TU) part # 1751758946802 & 1751758946902. My vehicle is also an N63TU :)
@@sebastianmilligan4638 There are several pipes on each intercooler, the largest shiny ones are the turbo outlets or sometimes referred to as a charge pipe. These were custom made and are one of the challenges you will find with this accomplishing this modification. Watch the video at 36:44-39:09 , and again at 42:20-44:56 to see how they were made.
@@dariusGarage so you think those intercoolers would fit on my n63 Tu? For example like if i chose s63 intercoolers that look exactly like those?
@@sebastianmilligan4638 I installed those on an N63TU in this video, so yes they will work on an N63TU
Please tell me how you took off the charge pipes to the turbos?? Mine will not come off
Remove the clamp that’s held in by one screw… and just pull the charge pipe away from the turbo… if it doesn’t pull away easy then someone has been in there before and rtv’d it shut. If that’s the case then just pull harder
@@dariusGarage okay thanks
These are air-to-water HEAT EXCHANGERS. I don't think the problem with the N63 is that the intercoolers are too small. The problem is that they heat soak too quickly, especially on a warm day. Making the intercoolers bigger does NOTHING to elevate the problem it only moves the heat to the coolant circuit faster and causing it to heat soak faster. If anything it'll cause more inconsistent performance with more more being made when you first start up the car or on a cool day and worse performance on a hot day from saturating the coolant circuit faster. What will be more beneficial is enlarging the radiator so you can actually get rid of the heat.
1. These are referred to as “intercoolers”everywhere including Dinan’s catalog. BMW calls these “Charge air coolers” if you wanna get technical.
2. The N63 cooling system is divorced between main coolant system and intercooler coolant system, enlarging the radiator will do NOTHING as you put it, in terms of heat soak. That honour goes to the intercooler system’s “cross-flow heat exchanger”. There are upgrades offered online however they are expensive and take quite some time for them to ship.
3. I didn’t do this upgrade because I was experiencing any issues with heat soak,
I did this for the learning experience to see if Dinan really did just repurpose existing intercoolers (which they did).
4. Dinan did this upgrade first on the N63 platform, you would think that they would have tested it for any pitfalls as such prior to selling the intercoolers as a performance upgrade without an upgraded heat exchanger. Perhaps that’s because BMWs heat exchanger is not maxed out of the factory and is capable of dealing with more heat.
5. I have yet to feel any heat soak with these intercoolers. I will test them on a 1/4 mile event once my local track opens again for numerical evidence.
If I notice heat soak issues I’ll be sure to look into heat exchanger upgrades.
@@dariusGarage What I meant was that the "charge coolers" only job was to transfer intake air heat to the coolant circuit. Separate of not, without upgrading the coolant radiator for the charge air circuit, all the bigger charge coolers will do is maybe give you ONE run with slightly more power and only when the system is cool. Once the heat is in the water, having no increased ability to get rid of it to environment means that the water gets warmer and being able to transfer heat faster to the water when the water is already warm does little if any good.
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I didn't mean to imply that the radiator for this charge air circuit is the same one as the engine coolant circuit. Some engines (like the Audi 4.0T) shares the same fill point and overflow tank with the engine coolant. But operationally, the circuits are separate except when it overflows or is low. Unless there is a leak somewhere, being low only happens during initial filling. And, overflows happen only in trickle amounts going from winter to summer. The engine coolant is usually under pressure when operating, hence it is impossible for the overflow valve to open from the charge cooler circuit to the overflow tank until the engine has cooled down to ambient. Hence, when running the two circuits are for practical purposes separate.
@@dwightlooi yes I now see potential room for improvement. This is assuming that the stock heat exchanger can’t handle the added heat. Since Dinan tested this setup without upgraded exchangers it’s worth a try to see if the stock exchanger will allow us consistent power. Let’s not dismiss that stock exchanger right away!
@@dariusGarage I have an S8+ (2015~2018 gen) with a similar setup. Both turbos in the Vee pump air through a shared "heat exchanger" on top of the engine which then feed the intake manifolds to the side of the motor. The water in in turn cooled by a radiator that looks like the AC radiator in front of the engine radiator. The system heat soaks easily and having a bigger heat exchanger does very little. However, people have DOUBLED the coolant radiator (they simply got a 2nd one and mounted it in front of the first) and that made a huge difference.
@@dwightlooi s8 is making more power out of a smaller engine, there’s bound to be more heat there as the turbos need to work harder. The F10 M5 has a similar solution to your S8 upgrade, they retain the heat exchanger from the N63 cars but add 2 smaller ones in each wheel well and run an additional pump to move all that extra fluid. The aftermarket heat exchanger solution for the N63 actually isn’t that much larger than the stock one, just has metal ends. I remember back when I had a B8 S4, the aftermarket heat exchangers were huge by comparison to the stock ones. I always heard people complain about heat soak on that platform. I haven’t heard too many complaints on this platform so it may be okay with the stock one