BMW-Valvetronic

Bmw Valvetronic Technology (Valve Lift)

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Hello Guys I will tell you something about the valvetronic technology by BMW..

BMW Valvetronic

The valvetronic is a BMW technology which has variable valve lift system in combination with variable valve timing, which allows infinite adjustment to intake valve timing and duration. This claims better fuel economy and low emission and avoid regular use of throttle body. Valvetronic lets you get even more driving pleasure from your BMW engine. It works on both intake and exhaust camshaft. The opening of valve depends on the amount of gas pedal you press rather than throttle plate.

These valvetronic system have extra set of rocker arms called lift arms, it is placed between valve stem and cam shaft. This arm pivot on central point with the help of electronically actuated camshaft, this movement alone can vary intake valve lift from fully open or maximum power to almost closed or idle state.

It alters in the timing of valve opening and closing and shortens the duration which reduces pumping losses and increases fuel economy. As the valve lift is reduced a swirl is created in 4 valve engine which results in better air and fuel mixture.

Some Benefits of valvetronic

  • Reduces pumping losses.
  • Better fuel economy and low emission.
  • This technology also helps in cold temperature to start your vehicle.
  • It also reduces maintenance cost.
  • It makes engine run smooth

So this valvetronic system is good technology for your vehicle. Please watch the video below as the guys in Engineering Explained have given a brilliant explanation.


Courtsey: Engineering Explained

About Post Author

Girish

Hello Guys I am a website developer by profession but is always keen on learning new things. I have been investing in Mutual fund, stock market for the past few years because of which I have gained a good knowledge. I started my entrepreneur journey in 2019 which lead me to learn more things as I am moving forward. I always love to share whatever I learn. Always had a craze for cars from my childhood, which inspired me to start this website.
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