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#1
02-26-2019, 11:45 AM
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What does the cylinder head check valve do?
No budge. Once I get the head back on the valve is hidden forever, rather fix it now but I’m stuck. Thanks. Sent from my iPad using Tapatalk 
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#2
02-26-2019, 12:59 PM
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It brings oil to the cams/buckts, and keeps it there for startups. If you have the head out... replace the o-ring.
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2005 X5 4.4i Build 04/05 Maintenance/Build Log Nav, Pano, Sport (Purchased 06/14 w/ 109,000 miles) (Sold 8/15 w/121,000 miles) 2006 X5 4.8is Build 11/05 Maintenance/Build Log Nav, DSP, Pano, Running Boards, OEM Tow Hitch, Cold Weather Pckg (Purchased 08/15 w/ 90,500 miles) 2010 X5 35d Build 02/10 Nav, HiFi, 6 DVD, Sports Pckg, Cold Weather Pckg, HUD, CAS, Running Boards, Leather Dash, PDC, Pano (Purchased 03/17 w/ 136,120 miles)
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#3
02-26-2019, 02:30 PM
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Thanks. Finally muscled it out, cleaned it up, tested the movement, new o’ring, back home it goes. Thanks
Sent from my iPad using Tapatalk
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#4
02-26-2019, 07:20 PM
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What does the cylinder head check valve do?
On the M62 to remove is thread an M10 bolt in. I don't think it's threaded but it will bite enough to give you a good grip to wiggle side to side and pull it out. (you can install that way also). This one looks like it's threaded in yikes. I'd use an impact tool to break it free.
Sent from my iPhone using Tapatalk Pro
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2011 E70 • N55 (me) 2012 E70 • N63 (wife)
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