Join Date: May 2007
Location: Glen Cove, NY
Thanked 133 Times in 125 Posts
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Re: M25 what is this and where does the hose go?
The area you have circled is on the the valve cover. Not sure what that little unit is however. Maybe a crankcase breather? If so, they are commonly connected to the air inlet to burn the vapors rather than have them vent to the engine compartment.