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Valve clearance... (archive)
[ Follow Ups ] [ 5-series (E28) Message Board ] [ Msg. Board FAQ ]
Posted by JamesM on March 19, 2001 at 15:04:49:

In Reply to: Idle is smoother after some work (long)... posted by Doug G on March 18, 2001 at 19:53:19:

Spec valve clearance is 0.010" intake and 0.012" exhaust, engine stone cold. Many will gap all to 0.012" or 0.012" in/0.014" ex to smooth the idle. This may cause more valvetrain noise than one gapped to spec.

Recheck the valve clearance. It takes a few times to get it exactly right. You may find that one or two are a little out of spec. The car does this out of spite.

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