Valvetronic: The Most Unnecessarily, Complex System in the B58 Engine
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- Опубликовано: 24 июл 2024
- Canos is Different from Valvetronic . Here's How it works: • Vanos: How BMW simplif...
An inside look on how Valvetronic controls airflow in the B58 Engine
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Авто/Мото
Canos is Different from Valvetronic . Here's How it works: ruclips.net/video/l7Gy-SGirPo/видео.html
That new intro and logo is sick!
Hey buddy. I'm from the UK and have the m140i that I don't think the USA have.
I'm currently running bm3 stage 2 plus and it's an absolute beast of an engine knowing I can go more. But the chassis soon shows its weakness with the added power without handling modifications.
Been watching your videos for a while now and learned a "hell" of alot from you! From your journey of your build to how the b58 responds to upgrades and its limits. Its an absolute joy watching your videos and your voice is so soothing, it's like a bed time story 🤣.
Amazing build mate! Lovely car you have.
Keep up the amazing vids! Subscribed, keep safe and I wish you all the luck in the world for the future.
I really appreciate it 🙏🏾
Thanks Kevin! Happy to have you on the b58 journey
Explanations are very clear ! Great video 😊
glad to help
Your videos are so helpful, thank you 🙏🏽
glad to help
Thank you for demystifying Valvetronic for me. It's really a pretty ingenious system, though complicated
Thank you, very good and simple explanation!!!!
I didn’t know that I wanted to know this until I watched it. Thanks!
Glad to help
so when the motor is on is the throttle body wide open?
Hi, where did you get that little pcv vent thingy? Sorry, I'm not sure what it's called.
Ross Racing. Link in description 👍🏾
So when you start the engine , the intakevalves are not that far pushed in ? And the more throttle you give the more the system pushes the valve in ?
Recently heard that buzzing sound from my f22 b58 valvetronic I believe but it sounded louder like when there's a failure. I'm hoping it was just a software glitch and not a bad shaft like the n55s would get. You heard of the eccentric shaft or motor going bad on these? I hear software update is sometimes a remedy. I will need to see if any codes.
It can definitely Happen but not something i hear of often
Wasn’t that inside the head cover in the N55?
Unrelated question to this video but I’m looking at getting a Big Boost EFR turbo kit and was wondering if you recommend the 8474 or 9174 for a daily driver that I want to push up to 800 whp max with? Also how long did it take you to install your Doc Race kit and was it difficult?
8474
@@kern417 thank you! Also would you say get the doc race top mount kit or the big boost EFR bottom mount kit?
DocRace no longer has an EFR option so Big Boost is your best bet
Hi, really informative video helps a lot.
Just had 1 question, im getting the code 21A02D; Combustion Control - Valve lift at idle. on my 2017 Bmw M140i B58.
Ive performed the valve lift adaption twice, the code has gone away and has then come back on both occassions.
Ive changed everything from PCV, injectors, oxygen sensors, vanos actuators and more.
I have no idea what it can be, the RPM drops when i engage from P to R or to D and sometimes it lags in acceleration from take off.
Any help would be great, thank you
some people have fixed the code by getting a software update at the dealership. just note that if you have a tune then it may lock your DME
@@kern417hhh yes i have a stage 1 tune on the car, is it the i-level software update? Also can the dealers unlock the DME or can I do it myself Via Ista+
No you'll need a shop/tuner to do it
Hi did you ever manage to remedy this? Got exact same issue and smoke from startup on my 2017 m140
@@nickcampbell9672 no still got the code, if yours is smoking its 100% the PCV diaphragm. Its like a £20 part and you can fit it yourself. But for the main issues with my car ive got it booked it with Performance M in manchester early september
Is the throttle body always wide open when the valvetronic system is functioning normally?
It varies because it's also used for boost control, so it opens/closes as needed to keep total airflow in check
Can I simply swap the motor or it needs some sort of coding ? Cuz I get 135808 and 135b11 codes .
You can just swap the motor
So if everything works properly the throttle body is 100% opened and the amount of air is only controlled by the valvetronic?
under most circumstances yes
Do you maybe know what the Code 135501 - Valvetronic: Output stage overloaded (warning threshold value for overload
protection exceeded) means?
Do I need to change the Valvetronic motor? I notice that the car reduces the power at 3000rpm. When i delete the code its runnig fine again for about 2-3 months and then it comes again. No check engine light.
What are the symptoms when it comes up? Have you ran a log? What car/setup?
@@kern417I only notice that my car lowers the boost after around 3k rpm. Otherwise everything is runnig fine. No strange noises or anything.
I already deleted the error a few times and did an log afterwords. Everything fine so far. But i never did a log when the code actually was thrown.
I have a 2020 supra with catted dp and mhd stage 1
Lowers boost to meet target? Like it's over boosting? Or is it going into limp mode?
@@kern417no i mean it lowers the boost so i do not have full power.
Email or dm me. My contact details are in the video description
Quick question is the valvetronic motor and valvetronic servomotor the same thing ?
Yes
Just curious but is it at all possible to just fully disable and or delete valvetronic and run the car the old fashioned way through the throttle body without the car going crazy with malfunction codes putting the car into limp mode and such?
No
7:10 If the motor fails, the dme can tell the motor to open all the way but the motor will not respond.
Même symptômes chez un pote c'était la pièce qui apparaît à 5 min 05 dans la vidéo "valvetronic b58" de la chaîne youtube "kern417"
If you say it is unnecessarily complex please tell us how to achive the same thing as reliable in a simpler way ;)
It's called a throttle body 🫣
@@kern417 yes it does ‚the same‘ -
But you‘ll have higher power losses / higher fuel consumption with no valvetronic
@@vollcare4076 correct but when I say unnecessarily complex i mean the same can be achieved while now it is much more expensive and risky with such small gains.
@@kern417 if you can safe 1-2% fuel, it’s a huge gain for the OEM (and CO2 regulation like in Europe)
Also >99% of all cars will have no problem with the Valvetronic during lifetime of the car (150.000-200.000km)
But I agree, as a 2nd hand user of such a car I would prefer to pay 1-2% more for fuel and eliminate the risk of a damage.
Same arguments for DI versus standard manifold injection
@@vollcare4076 twin turbos, everything 😊
Dudeee how can you not like valvetronic but like vanos 🤦♂️
Wut
Disagree with the title ! Not unnecessary! People called vanos and eventually VVT unnecessarily complicated. This is something we should expect from high tech motors - advancement. sorry to burst your bubble. Does working on it suck? Yeah probably, dads 05 n52 has it, always a pain.
He didn’t say it wasn’t advanced or useful, he said it was not necessary. I agree that plenty of valid arguments can be made in favor of this system, but it isn’t absolutely necessary to introduce this level of complication when very similar results can be had with a lot less moving wear items