Скачать или смотреть BMW F82 M4 S55 ENGINE - VALVETRONIC MOTOR FAILURE

What is Valvetronic?

The Valvetronic system is a BMW variable valve lift system. Combined with the variable valve timing, it continuously adjusts the intake valve timing and duration. The system claims to improve fuel economy and emissions.

How we benefit from it?
It reduce maintenance costs
Lowers exhaust emissions
Improves cold start behavior
Provides a smoother running engine

In the video, there's clicking noise when either the DME is waking up or after the engine is turned off.

We found out that the sound came from a jammed Valvetronic Motor...it got jammed.
If it doesn't get fixed immediately, it'd eventually break the Eccentric Shaft tooth.

So, we had replaced the Valvetronic Motor & the Eccentric Shaft so this unique blue F82 M4 could have the normal ride again.


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