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View Full Version : Need Air Pump Help


DeadpaN
06-09-2005, 06:19 PM
Oh man, these things are pricey. http://www.realoem.com/bmw/showparts.do?model=CG73&mospid=47506&btnr=11_1659&hg=11&fg=50

It looks like there is a baffle either in this diagram or another which I could maybe replace? Are these things servicable? I haven't had time to take it out yet. Thing is, when engine is cold-->first started this thing starts sounding like a loud bullfrog. Once the engine is warmed it goes away. If when its making this sound I press down on the top of it, it quiets. Anyone else experienced with a noisy Air Pump/Smog Pump/Evaporative Emissions Pump (depending on which book)???????