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Funny cold start noise on 4.8is Funny cold start noise on 4.8is
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Old 12-06-2017, 04:03 PM
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Quote:
Originally Posted by StephenVA View Post
sounds like vanos

Pull your acoustic covers off and feel the solenoids (the big round things half way down the engine. Clicking in time with the noise? Y/N
I put in brand new 6441 NGK plugs. I took out the old BMW/Bosch 2 prong plugs which are now at .048 gap. Maybe it is my delusion, but the X5 seemed much quieter this morning on cold start. I will report back in days to confirm. Also I did put my hands on the big solendoids on each side, they both make noise, used stethoscope. Are they hard to change out?

I also viewed some plugs on the rear on top of each valve cover-leaking a little.
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