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This is going on with my 07 Z4M right now. Its been 60k+ miles since a valve adjustment so I'm hoping thats it. I don't have any codes, I'm not down on power and it still pulls really hard, MPG is stable. Its just a faint ticking around 2-3k rpm. It doesnt make ANY other ticks at any RPM. Should I go ahead with the valve adjustment and check everything while I'm in there? I'm paranoid of failures, and I'm not really sure what "normal" s54 ticks sound like
Talk about bringing a post back from the dead!! LOL
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