very carefully
adjust the throttle
lcation pcv for BMW 1997 318i
oil seporation valve
Take to a qualified BMW mechanic.
replaced crank case valve location at valve cover
With your hands
your car doesnoy have a pcv valve it has a oil seperator which is not serviceable
yes
idle control valve
loosin the nut on the in side on the trunk adjust it where you wont it then tighten it back
P1580 Throttle Valve Mechanically Stuck
Under the intake manifold!