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Message: <blockquote data-quote="bimmerdude" data-source="post: 312127" data-attributes="member: 13351"><p>i was following the post about the ticking sounds fromthe e90 forum. conclusion was its quite common on some cars. in some cars the sound goes away after a while, but in others the sound is loud and permanent. basically from bmw the cause is the tappets (as far as i know), and wont really damage the engine they say. but u never know. if under warranty i think they can be repaired FOC. its a known issue in the US. happens mostly on 325 and above. theory is that the engine oil is not really reaching the tappets properly. its a design flaw <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite3" alt=":(" title="Frown    :(" loading="lazy" data-shortname=":(" /></p></blockquote><p></p>