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      05-26-2025, 03:32 AM   #1
coldturbo
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What am i doing wrong?

I am a strong supporter of VTT because i ran thier turbos on both my cars and fell in love.

I am however in a bit of an issue.
I ordered this S55 Valve Cover for my 2015 F82 M4.

Installation was simple enough.
However after running it for around 10 miles i started smoking out the exhaust.
I am aware this valve cover requires youto run an external PCV as it lacks the oem built in PCV..
So i opted to run a VTT catch can.
This helped significantly, however i still see smoke in my exhaust after spirited driving.
What can i do to mitigate this issue?
The smoke is not residual, it will happen intermittently and go away for a decent while before smoking again.

VTT has not responded to my email yet, and my car is a daily driver, im worried i can cause damage to my engine.

Any solutions? Should i add ANOTHER catch can to the remaining plugged port? Is that the “high side” ?

Please be patient with me as im a noob.

Chris@VargasTurboTech
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      05-26-2025, 08:47 AM   #2
afadeev
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Quote:
Originally Posted by coldturbo View Post
I am a strong supporter of VTT because i ran thier turbos on both my cars and fell in love.
I ordered this S55 Valve Cover for my 2015 F82 M4.
However after running it for around 10 miles i started smoking out the exhaust.
So you added an aftermarket valve cover and picked up oil leaks somewhere...

Quote:
Originally Posted by coldturbo View Post
I am aware this valve cover requires youto run an external PCV as it lacks the oem built in PCV..
So it's not even a properly designed aftermarket valve cover. This one wasn't built for integrated PCV... why did you buy this over-priced hack of a product?

Quote:
Originally Posted by coldturbo View Post
This helped significantly, however i still see smoke in my exhaust after spirited driving.
What can i do to mitigate this issue?
Find the leaks and fix them!
Up to and including re-installing OEM valve cover!

Quote:
Originally Posted by coldturbo View Post
VTT has not responded to my email yet, and my car is a daily driver, im worried i can cause damage to my engine.
So your favorite vendor has sketchy customer support?

Quote:
Originally Posted by coldturbo View Post
Any solutions? Should i add ANOTHER catch can to the remaining plugged port? Is that the “high side” ?
Sorry, but your picture is as lousy as the quality of the blingy looking poorly designed valve cover you've shoe-horned on top of your engine.

The solution is obvious - ditch it!
But somehow, I doubt it's the road you want to take?

a
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Last edited by afadeev; 05-28-2025 at 10:32 AM..
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      05-26-2025, 01:06 PM   #3
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Without the valve you are probably sucking the oil out of the motor and burning it.
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      05-26-2025, 02:30 PM   #4
Brandoch
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Research VTT Vargas, the reviews and opinions speak for themselves.
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      05-27-2025, 02:27 AM   #5
M3SQRD
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As others have already mentioned, VTT isn’t the best company and their customer service is horrendous. You can add an oil catch can as a bandaid but you’ll need to quite frequently empty it.
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      05-27-2025, 10:46 PM   #6
coldturbo
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Just received a callback from Chris@VargasTurboTech and my guy took the time to explain what my solutions were with the excess oil smoke, and recommended a few solutions (none of which required any additional purchase)
Just goes to show that vargas is still one of the best in the industry.
I feel like alot of us dont take the time to fully understand the products they sell and what solutions they offer.
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      05-28-2025, 05:48 AM   #7
DThr33
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Quote:
Originally Posted by coldturbo View Post
Just received a callback from Chris@VargasTurboTech and my guy took the time to explain what my solutions were with the excess oil smoke, and recommended a few solutions (none of which required any additional purchase)
Just goes to show that vargas is still one of the best in the industry.
I feel like alot of us dont take the time to fully understand the products they sell and what solutions they offer.
I wonder if they told you the same things they told this guy before deleting his review? https://f80.bimmerpost.com/forums/sh....php?t=2185136

I've never seen a good review for a vargas valve cover on an s55.

here's another guy who has issues with the car smoking after fitting one recently

https://f80.bimmerpost.com/forums/sh....php?t=2185130
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      05-28-2025, 07:53 AM   #8
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That poor car.
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      05-28-2025, 12:08 PM   #9
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Quote:
Originally Posted by Jaizero View Post
That poor car.
lol that entire engine bay is filled with nothing but poor decisions.
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