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Author Topic: Can you tighten the valve cover bolts tighter please?  (Read 6225 times)

ak96ss

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Can you tighten the valve cover bolts tighter please?
« Reply #15 on: June 12, 2008, 02:03:14 PM »
I drilled mine out and installed original size (6 mm x 1) helicoils with no issues, except the sweat from drilling into the head while it was still on the car! I don't know that I would want to drill it out and tap for a larger bolt, though.

The drill bit went in like a hot knife through butter, which is why I still dunno about there being original inserts on my head...  :P
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John in MD
uh, it's a '91 318is, like everyone else...

christophbmw

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Can you tighten the valve cover bolts tighter please?
« Reply #16 on: June 12, 2008, 08:08:24 PM »
i heli coiled all mine when i bought the car and put in zinc coated studs....with lots of loc-tite, and the studs had stopers on them so it gets just as tight as the factory setup....works pretty damn well....doesnt look as pretty :rolleyes:.
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