Quote:
Originally Posted by Noir
(someone correct me, trying to quote my indy, but it has been awhile...)
Newer heads should have an improved valvetronic assembly that eliminated the common lifter tick. Or something to that effect... really can't remember the name of the component(s) or if there are any other real differences.
plastic vcg compared to me, for sure. (I have magnesium... 06 330i).
Might be more stuff to it, though!
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Correct. But going forward, all cylinder heads from 07- get the newer superseded head part number.