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The BMW Range
3 Series
E46
Consume Engine oil
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<blockquote data-quote="astroboy" data-source="post: 622207" data-attributes="member: 4527"><p>This is location of the valve seal (item 4).</p><p></p><p>Inlet:</p><p><img src="http://static.bmwfans.info/images/epc/ODQwMjBfcA==.png" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Outlet:</p><p><img src="http://static.bmwfans.info/images/epc/ODQwNDFfcA==.png" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p><a href="http://tis.spaghetticoder.org/s/view.pl?1/07/03/95" target="_blank">http://tis.spaghetticoder.org/s/view.pl?1/07/03/95</a></p><p></p><p>Replacing of valve seal not necessary dismantle the head unless you need to polish/grinding the valve seat. An example here:</p><p><a href="http://bmwe32.masscom.net/sean750/ValveStemSealReplacement/ValveStemSealReplacement.htm" target="_blank">http://bmwe32.masscom.net/sean750/ValveStemSealReplacement/ValveStemSealReplacement.htm</a></p><p></p><p>The above example have to remove intake manifold because it goes over the valve cover, for N42 and N42, no need. But you need the special tool, the Midlock tool to depress the valve spring to take out the valve tapers.</p><p></p><p><a href="http://tis.spaghetticoder.org/s/view.pl?1/07/84/27" target="_blank">http://tis.spaghetticoder.org/s/view.pl?1/07/84/27</a></p><p></p><p>N42 valve seals, 4/cylinder, 8 for intake, 8 for exhaust, all in 16 pcs.</p><p></p><p><img src="http://www.rmeuropean.com/Images/products/large/11340029751_VIC_CA4918F1.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="astroboy, post: 622207, member: 4527"] This is location of the valve seal (item 4). Inlet: [img]http://static.bmwfans.info/images/epc/ODQwMjBfcA==.png[/img] Outlet: [img]http://static.bmwfans.info/images/epc/ODQwNDFfcA==.png[/img] [url]http://tis.spaghetticoder.org/s/view.pl?1/07/03/95[/url] Replacing of valve seal not necessary dismantle the head unless you need to polish/grinding the valve seat. An example here: [url]http://bmwe32.masscom.net/sean750/ValveStemSealReplacement/ValveStemSealReplacement.htm[/url] The above example have to remove intake manifold because it goes over the valve cover, for N42 and N42, no need. But you need the special tool, the Midlock tool to depress the valve spring to take out the valve tapers. [url]http://tis.spaghetticoder.org/s/view.pl?1/07/84/27[/url] N42 valve seals, 4/cylinder, 8 for intake, 8 for exhaust, all in 16 pcs. [img]http://www.rmeuropean.com/Images/products/large/11340029751_VIC_CA4918F1.jpg[/img] [/QUOTE]
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Consume Engine oil
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