Blowoff Valve Question
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Member
Joined: Oct 2015
Posts: 96
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Blowoff Valve Question
Hallo,
How would you recognize whether the blowoff valve is not working properly? Does a bov upgrade benefit a tuned car under all circumstances or is a properly working oem valve equally capable?
How would you recognize whether the blowoff valve is not working properly? Does a bov upgrade benefit a tuned car under all circumstances or is a properly working oem valve equally capable?
MBWorld Fanatic!
Joined: Nov 2010
Posts: 2,605
Likes: 343
From: Welwyn, Herts, UK
2006 S600
I had a failed blow-off valve some years ago.
The only symptom was a nasty surge and lurch when snapping the throttle shut during acceleration. I learned to drive around it, but it was annoying.
The stock valve does the job, and is cheap. I can't think of a bigger waste of money than an upgraded BOV.
Nick
The only symptom was a nasty surge and lurch when snapping the throttle shut during acceleration. I learned to drive around it, but it was annoying.
The stock valve does the job, and is cheap. I can't think of a bigger waste of money than an upgraded BOV.
Nick
MBWorld Fanatic!
Joined: May 2015
Posts: 4,037
Likes: 1,011
From: Miami, FL
2003 CL 600
Yeah, I'm with Nick on this one, unless you really want the noise, there's no reason to upgrade. They are already on the turbo housing, can't possibly be any more efficiently positioned, and if you remove the airbox and run aftermarket intakes, you hear the stock ones plenty anyway. I hear them on my tune only car with the windows down.
Super Member
Joined: Dec 2007
Posts: 980
Likes: 224
2005 S500 Designo
I had a failed blow-off valve some years ago.
The only symptom was a nasty surge and lurch when snapping the throttle shut during acceleration. I learned to drive around it, but it was annoying.
The stock valve does the job, and is cheap. I can't think of a bigger waste of money than an upgraded BOV.
Nick
The only symptom was a nasty surge and lurch when snapping the throttle shut during acceleration. I learned to drive around it, but it was annoying.
The stock valve does the job, and is cheap. I can't think of a bigger waste of money than an upgraded BOV.
Nick
Super Member
Joined: Dec 2007
Posts: 980
Likes: 224
2005 S500 Designo
[edit]
I found a vacuum leak. The hose that goes to the air reservoir broke and/or came out. I stuffed a new piece of hose in there, but I think to do it properly I have to remove..... EVERYTHING GODDAMMIT THIS IS SUCH A PRINCESS ENGINE.
Last edited by Fried Chicken; Feb 4, 2020 at 01:34 PM.
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