85 M20B27 Valve Adjustment

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  • tomstin
    E30 Addict
    • Mar 2015
    • 547

    #1

    85 M20B27 Valve Adjustment

    I'm having trouble adjusting the #5 exhaust valve lash. It is always noisy. It's been trouble for years, before and after I had the head serviced while replacing the head gasket. On my last attempt I replaced the eccentric on the rocker...no help. There are a lot of potential variables between the length of the valve, rocker shaft wear, rocker wear itself and cam shaft. Or a little of all of them.

    I could try to "sneak" the cam out the front enough to replace the rocker. A bit tedious and risky on damaging something along the way.

    Has anyone had experience with valve lash caps? Seems like an option but I've never used them.

    Other ideas?
    2004 525i Manual - 1985 325E Coupe Manual
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