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Aguirre
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Post subject: MS41.0 Vanos deceleration maps  Posted: Sun Sep 15, 2019 8:35 am |
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Joined: Sun Oct 07, 2012 8:44 am
Posts: 94
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Hello.
Did someone manage to force vanos to be on when braking the engine?
I introduced all the possibilities in the maps but always in deceleration vanos is off.It follows that there must be a switch or map that enforces this behavior.
I control the exhaust vanos from the muffler flap map and it's ok there.Turns on and off as I want.
With vanos intake I can not control it, always off when deceleration.
Please help.
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Richard
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Post subject: Re: MS41.0 Vanos deceleration maps Posted: Sun Sep 15, 2019 9:22 am |
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| Experienced |
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Joined: Tue Mar 20, 2018 9:53 am
Posts: 264
Location: Netherlands, Friesland
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Aguirre wrote: Hello.
Did someone manage to force vanos to be on when braking the engine?
I introduced all the possibilities in the maps but always in deceleration vanos is off.It follows that there must be a switch or map that enforces this behavior.
I control the exhaust vanos from the muffler flap map and it's ok there.Turns on and off as I want.
With vanos intake I can not control it, always off when deceleration.
Please help. Why do you want it to be on when decelaration? Verstuurd vanaf mijn G8441 met Tapatalk
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Aguirre
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Post subject: Re: MS41.0 Vanos deceleration maps Posted: Sun Sep 15, 2019 2:29 pm |
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Joined: Sun Oct 07, 2012 8:44 am
Posts: 94
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For better performance,engine noise etc
I have long duration cams and vanos advance over 40 deg.
.It makes no sense to work on / off all the time when i push or release gas pedal.
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liubchy
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Post subject: Re: MS41.0 Vanos deceleration maps Posted: Sun Sep 15, 2019 2:52 pm |
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Joined: Tue May 12, 2015 1:47 pm
Posts: 43
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Check deceleration tread. There is address for ms41.2.
Изпратено от моят SM-G950F с помощта на Tapatalk
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Aguirre
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Post subject: Re: MS41.0 Vanos deceleration maps Posted: Sun Sep 15, 2019 8:32 pm |
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Joined: Sun Oct 07, 2012 8:44 am
Posts: 94
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Thanks.
I found adress in 41.0.Test it tomorrow.
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Aguirre
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Post subject: Re: MS41.0 Vanos deceleration maps Posted: Mon Sep 16, 2019 10:18 am |
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Joined: Sun Oct 07, 2012 8:44 am
Posts: 94
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I test it today and work great.
The engine runs smoother and generally better.
Adress in ms41.0 is 25C .I hange to 1200 from 4000 rpm.
Thank liubchy for help.
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dx4picco
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Post subject: Re: MS41.0 Vanos deceleration maps Posted: Mon Sep 16, 2019 10:57 am |
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Joined: Thu Nov 15, 2018 3:00 pm
Posts: 718
Location: Europe, France (French/English)
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What is the purpose of letting the vanos on when decelerating ?
You speek about exhaust vanos, what engine you run on ms41 ?
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Aguirre
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Post subject: Re: MS41.0 Vanos deceleration maps Posted: Mon Sep 16, 2019 1:34 pm |
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Joined: Sun Oct 07, 2012 8:44 am
Posts: 94
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Its m52 engine with double vanos.Iron M50 block etc.Modified cylinder head single vanos.
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dx4picco
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Post subject: Re: MS41.0 Vanos deceleration maps Posted: Mon Sep 16, 2019 1:59 pm |
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Joined: Thu Nov 15, 2018 3:00 pm
Posts: 718
Location: Europe, France (French/English)
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It sounds interesting  What is the purpose if having the intake vanos on during deceleration ? Antilag strategy ? Edit : my bad, answer above, sorry
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Richard
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Post subject: Re: MS41.0 Vanos deceleration maps Posted: Tue Sep 17, 2019 9:32 am |
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| Experienced |
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Joined: Tue Mar 20, 2018 9:53 am
Posts: 264
Location: Netherlands, Friesland
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dx4picco wrote: It sounds interesting What is the purpose if having the intake vanos on during deceleration ? Antilag strategy ? Edit : my bad, answer above, sorry '' For better performance,engine noise etc I have long duration cams and vanos advance over 40 deg. .It makes no sense to work on / off all the time when i push or release gas pedal" i was wondering the same. Vanos works so rapid that it seems useless. I cant notice it switching on/off when i release and floor the gas pedal Verstuurd vanaf mijn G8441 met Tapatalk
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Richard
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Post subject: Re: MS41.0 Vanos deceleration maps Posted: Tue Sep 17, 2019 9:34 am |
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| Experienced |
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Joined: Tue Mar 20, 2018 9:53 am
Posts: 264
Location: Netherlands, Friesland
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What might help is a vanos rebuild kit (New seals) , and a anti ratle kit to reduce engine noise
Verstuurd vanaf mijn G8441 met Tapatalk
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Aguirre
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Post subject: Re: MS41.0 Vanos deceleration maps Posted: Tue Sep 17, 2019 11:51 am |
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Joined: Sun Oct 07, 2012 8:44 am
Posts: 94
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Richard wrote: dx4picco wrote: It sounds interesting What is the purpose if having the intake vanos on during deceleration ? Antilag strategy ? Edit : my bad, answer above, sorry '' For better performance,engine noise etc I have long duration cams and vanos advance over 40 deg. .It makes no sense to work on / off all the time when i push or release gas pedal" i was wondering the same. Vanos works so rapid that it seems useless. I cant notice it switching on/off when i release and floor the gas pedal Verstuurd vanaf mijn G8441 met Tapatalk If you have a serial engine then you probably won't notice the difference.In my engine is double vanos from m54.Its not on/off factory. The devil is in the details ... 
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gasp0
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Post subject: Re: MS41.0 Vanos deceleration maps Posted: Thu Mar 19, 2020 12:31 am |
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Joined: Sun Jul 27, 2014 8:42 pm
Posts: 84
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Aguirre wrote: Richard wrote: dx4picco wrote: It sounds interesting What is the purpose if having the intake vanos on during deceleration ? Antilag strategy ? Edit : my bad, answer above, sorry '' For better performance,engine noise etc I have long duration cams and vanos advance over 40 deg. .It makes no sense to work on / off all the time when i push or release gas pedal" i was wondering the same. Vanos works so rapid that it seems useless. I cant notice it switching on/off when i release and floor the gas pedal Verstuurd vanaf mijn G8441 met Tapatalk If you have a serial engine then you probably won't notice the difference.In my engine is double vanos from m54.Its not on/off factory. The devil is in the details ... Are you running N/A or turbo? if N/A can you post some logs? Whats your cams and engine setup? btw are you using full 40 degree advance on double vanos INTAKE CAM?
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