BMW 630CS - Page 82

82 ldlingadjustment
Adjusting engine idling -BMW 630 CS
The necessary adjustment work should
always be entrusted to an authorized
BMW service station, which wi[l possess
the necessary equipment.
ln exoeptional circumstances only, adjust
engine idling as follows, with the engine
at its normal operating temperature:
Turn the stage 1 throttle butterfly arm
stop screw clockwise to increase engine
idling speed, or anti-clockwise to reduce
idling speed.
The correct idling adjustment procedure
should be carried out as soon as possible
afterwards by an authorized BMW service
station.
Adjustihg engine idling -BIV]W 633 Csi
The necessary adjustment work should
always be carried out by an authorized
BMW service station in possession of the
proper equipment for working on BMW
fuel injection engines.
ln an emergency only, the fo[lowing
provisional engine idling adjustment
method may be adopted:
Vary idle speed only at the idling adjust-
ment screw below the throttle butterfly
switch.
Turning the screw clockwise reduces air-
flow, and idling speed drops.
Turning the screw anti-clockwise in-
creases airflow, and idling speed accord-
inglyrises.
Correct engine idling adjustment must be
carried out as soon as convenient after
this by taking the car to an authorized
BMW service station .
Notes:
Never disconnect or connect the plug at
the airflow meter when the ignition is
switched on.
Never run the engine without a battery in
circuit.
Never attempt to start the engine by using
a rapid battery charger as a starting aid.
When recharging the battery with a rapid
charger, first disconnect it from the car's
electrical system.
When installing a battery, make quite
sure that the polarity at the 1:erminals is
correct before making any connections.