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Old 01-16-2014, 02:43 PM   #1
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Join Date: Jan 2014
Location: niagara
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My Ride: 323ci
323ci engine ticking when hot

A few weeks ago I got out of my car to keep it running because it was cold out and it was making this ticking noise coming from the top of the engine. I checked the Technical Service Bulletins on All Data and Mitchell on demand (computer software program) and there was one post from a guy in Woodcliff lake, NJ and it said it was the Hydraulic Bucket Tappets (HVA) or a Binding HVA element? I was just wondering if anyone had some insight on this, if this has ever happened on there E46 M52 Engine. The engine has about 155,000 miles on it. The car does not make the ticking until it has come up to running temperature and then starts ticking and the ticking gets faster when the RPMs increase on acceleration.

I read a thread on here to do a engine flush and a oil change. I flushed the engine a week ago and changed the oil with Liqi moly 5w30 full synthetic and it is still ticking when it is hot.

If any one knows what parts I should replace or method I could use to fix this problem that would be great!
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Old 01-16-2014, 02:51 PM   #2
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You're in the wrong section. Look into the vanos rattle issue on these cars. May have something to do with what you are hearing. But hard to diagnose something without seeing/hearing it in person.

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Old 01-16-2014, 03:29 PM   #3
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thanks for the heads up moiz I will look into that
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