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- เผยแพร่เมื่อ 24 ส.ค. 2020
- In this video I replace a charge air intercooler that was leaking coolant into the S55 engine. Since I had everything taken apart, I also replaced the charge pipes and cold side J-pipe for turning up the boost in the future.
It starting with my engine idling a bit noisier than normal. Then a drivetrain malfunction warning. The low temp cooling system was leaking coolant. Taking to the forums I discovered that it was probably my intercooler leaking coolant. After a quick borescope I realized that coolant was leaking into the engine. I immediately stopped driving the car and started this repair.
Affiliate links to purchase the parts I installed in this video:
Charge Air Intercooler:
www.vr-speed.com/vrsf-s55-top...
Charge pipes
www.vr-speed.com/vrsf-charge-...
Cold side J-Pipe
www.vr-speed.com/vrsf-aluminu...
*NewTIS.info was used for almost all of the repairs depicted in guide
Thanks for watching.
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This is an impressive DIY project, so crazy to see you do all this
Im experiencing exactly the same symptom ~! Thank you for the informative video ~!
I have an M2 competition, watching this video one can appreciate the complexity of such an engine thus why these M cars go so well.
Great video Jeff!
Hello, thanks for sharing the video, it's helpful, good job. I would like to ask you for information if is it possible to fill the reservoir without the vacuum filling tool and then bleed it by using the car automatic system (max. heating, pressing the throttle pedal), can it work? Another question: the cooler, charge pipes and J-pipe looks more sporty than the OEM parts, do you feel any progress in better engine reaction on throttle pedal or some more performance?
Bye, Richard
Is this something you can catch with a pressure test? I think I'm having the same issue but BMW told me the pressure test was fine. But if its internal then possibly could still be the problem?
Awesome video mate, I had misfire on 3rd and 4th cylinders on my M4, which I replaced both and 4th cylinder had misfire again a day after replacing them. Then I realize the top engine cooler is leaking, you reckon it could cause the misfiring due to coolant leaking into the engine, thou the coolant leakage is very minimal, cheers
When you found out the top mount intercooler was leaking , were there any other signs, like misfiring?? My original was replaced cus it was empty, only found out cus the code said charged air too hot. I replaced with stronger aftermarket one that shouldn't leak, but I'm losing fluid noticable after a month. I'm also getting misfires under full throttle .
I'm looking to buy a replacement top mount for my M4 that is loosing coolant and emptying my coolant tank. What's your opinion on this top mount now that you've driven for a while with it? Worth it or bite the bullet and get a Mishimoto /CSF
Wagner Tuning or Active Autowerke make hands down the very best tube and fin VS CSF/Mishi using bar and plate coolers!
Both Wagner and Active make a badass kit that upgrades the whole cooling system.. they are expensive though! (This is one area I would not cheap out.. you get what you pay for)!
Did you end up having to refresh anything after installing the cleaned up throttle body? Just did the same procedure to mine and the car won't stay running. Thanks in advance.
I did not refresh anything. I have heard that these throttle bodies aren't immune to malfunction... something to do with the plastic gears getting stuck. I did grease the plastic gears in the TB before reassembling.
Whats the miles on your M3? That is pretty common issue with high miles f8x.
67K. Yeah, seeing lots of posts about the same thing.
Got the same problem with 65k miles.
This just happened to me also. My car was cutting out at higher rpm's. I just replaced my intercooler but it's still cutting out. Next i'm replacing the spark plugs. Did you notice any cutting out on acceleration as well and did you have to replace plugs as well?
Did you ever solve that issue?
@@jwilkin yes. Long story short, I got a new motor under warranty.
@@maverickngoose95 Oh damn, I suppose it was not related to the intercooler?
@@jwilkin in my opinion i think it was related and started a domino effect. Rod bearing went bad and it knocked so loud! Original motor was never torn completely down since I was able to just get a new long block replacement. It had 18k miles on it, upgraded bearings and I went with the EU5 injectors just in case. Still stock turbos and flex fuel tuned by Paul Johnson.
@@maverickngoose95 Crazy thanks for the info! It’s possible the coolant in the oil could have caused rod bearing failure, but that would be a lot of coolant I would think
I think I’m currently facing this exact issue with my 101k mile S55 M4. Assuming I take it to the shop first thing, any chance this damages the engine? It still drives & idles smoothly, but just got drivetrain malfunction in the iDrive & CEL the last quick drive for the first time.
I'm no expert on the long term effects of coolant in an engine but my experience with this leaking intercooler would tell me that you would be fine... my CEL light was due to the low temp intercooler system running low on coolant, not due to mechanical malfunction. I might do a smaller interval on the next oil change to make sure all that water is out. Good luck - hope it works out.
Great vid.. But bruh, the editing... Causing me to have seizures...
My f80 had 36k mikes when the intercooler was leaking. Was not very happy with the dealer since i took the car twice for service, they didnt even check the coolant levels until i pointed it out. I told them that the car was not performing as it should have and it wasent ideling like it should, and one of the guys told me that " that engine is knowned to not idle good, is perfectly fine". Turns out i was right, there was a leak, good thing it had warranty. One thing they didnt check was the charge pipes so we'll see what happens next. 🤦🏻♂️
Yikes, 36K is not a lot of time before failure. Re: "that engine is known to not idle good, etc"... I've heard similar statements regarding engine idle. If you know the sound of your engine and it changes, you are wise to investigate. So good on you. Everything has to be perfect for an engine to have a stable/low RPM idle. One of the easiest ways to gauge the health of an engine.
also, have a look at the throttle body... probably caked in coolant. Could easily affect idle.