Date: Thu, 03 Jun 1999 20:14:08 +0200
From: Jan Kannemacher <>
Subject: Re: Knocking sound on 900i 16

Michael Arnold wrote: > It's hydraulically actuated and will allow the cam chain to clatter on start > up if there is no more adjustment left and will get worse as the engine oil > warms. Sounds like a new trace. After I've rattled with some tools today to check into the valve compartment I found at least something that COULD be the reason. Unfortunately it exceeds my technical English, but I'll give it a shot. The opening element (however it is called) of the second cylinder's first intake valve does not sit as tight as the other ones. Now there's another question. How much work is it to replace this thing...and if I don't, what can happen? (Based on the thought that this is my culprit.) JK'99

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