Quote:
Originally Posted by 2022M550i
Maybe this video will help. If you have something different/louder, it can be some worn parts in the valvetrain causing a gap...causing them to slap together producing the ticking sound. How many miles on your engine? What weight oil are you using?
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My engine has 33k miles on it. I used the typical oil for this machine 5w30 LL01. I just watched the videos you recommended and I want to say that the clicking noise I heard in the cabin does not appear on every cold start. I would say the clicking sound doesn't occur when starting the car, it can occur if I drive 200-300 meters after starting and when I brake and the revs are less than 1k I hear this sound but it is random. Could you tell me valvetrain or lifter tick is it something critical that need to be fixed?