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#1
01-28-2016, 03:58 PM
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4.8i valve cover thread stripped
Has anyone had a valve cover bolt strip out? Noticed a burning smell last night and saw a small amount of oil coming from the driver side valve cover. Went to check the bolts and one bolt was loose. I pulled the bolt out and it looks like the threads game way so the bolt came loose. It's the bolt right before the coil packs that is blocked by the coolant expansion tank. I replaced the valve cover and timing cover gaskets a little while back. No bolt tightening issues then. Any insight is appreciated. I've heard of helicoils but never used them. Thanks!
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Current Lineup E36 318is Turbo E36 M3 E39 M5 E70 X5 4.8i 
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#2
01-28-2016, 04:52 PM
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Helicoils are great. There is a variety of threaded/replacement inserts
https://en.wikipedia.org/wiki/Threaded_insert helicoil,helicoil insert,helicoil inserts,heli-coil,helicoil kit,helicoil tool kit ,helicoil tap,helicoil india
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Believe nothing read or heard without verifying it oneself unless it, Weltanschauung congruent, fits ones worldview. Last edited by Doug Huffman; 01-28-2016 at 05:05 PM.
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#3
01-28-2016, 05:22 PM
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I fixed a few on my E90. Just tap out the next size up. If you have a M4 now go to M5. For the I6, some of the VC bolts have the room to get a nut on the back side. That maybe an easier option for you.
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2009 35d, 2006 325i & 330i
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