BMW 325 Engine Idle High

I Bought A 92 Bmw 325is 4 Weeks Ago I Replaced All Spark Plugs , Mass Air Flow Sensor (the Old One Didn't Work) The Idiot That...

When My Car Warms Up The Idle Starts To Go Up From 600 Rpm And 700 And Then Down Again, I Cleaned The Idle Control Valve And Checks For...

When Out Of Gear (in Neutral), Engine Revs Up And Down Continuously. A Couple Of Times, I Restarted The Engine And It Went Into Full...