Howdy,
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Just the other day i realised that i have a tappet noise! Since Mi's use hydro lifters, does this mean that i have a serious problem? Also i have noticed a bump on the top of my cam cover over the drivers side most piston (1 i think). Seems no loss in power or fuel efficiency that i can tell. From memory that bump has been there alot longer than my tappet noise
Cheers