13 00 054 - Engine idle speed / CO level - adjust < 13 - Fuel System < BMW 728 - 745i
 
From model '83
ADJUSTING ENGINE IDLE SPEED/CO

Requirements for All Adjustments:
Engine at operating temperature, i. e. oil
temperature at least 60° C (140° F).
Ignition timing and valve clearance correct.
All electric equipment switched off.
Connect BMW service test unit according to
operating instructions.

 
1) Engine Idle Speed

Check engine idle speed*.
If not as specified nominal value, check
idle control valve (1) and control unit (2) for
idle regulation. Replacing if necessary.
Note:
There is no adjusting screw for idle regulation.

* See nominal value microfilm

3013400 - click to zoom
 
2) CO

Pull off hose (1) on solenoid (2).
Do not plug open connections.

3013003 - click to zoom
 
Unscrew bolts (1).
Connect Special Tool 13 0 090 on exhaust
manifold with Special Tool 13 0 100.
Check idle speed CO level*.

* See nominal value microfilm

1300010 - click to zoom
 
Pull off plug of oxygen sensor.

1300015 - click to zoom
 
Remove air flow sensor, see 13 62 000, to
remove the anti-tamper lock.
Drill a hole in anti-tamper lock with Special
Tool 13 1 092.


Siehe auch 13 62 000
1300012 - click to zoom
 
Screw Special Tool 13 1 094 in anti-tamper
lock.
Drive special tool and anti-tamper lock out of
air flow sensor with impact sleeve (1).

1300013 - click to zoom
 
Install air flow sensor.
Adjust idle speed CO level* with Special Tool
13 1 060 or 13 1 100.

* See nominal value microfilm

1300011 - click to zoom
 
Remove air flow sensor.
Install new anti-tamper lock (1) in air flow
sensor.
Install air flow sensor.

1300014 - click to zoom
 
Connect plug for oxygen sensor.

1300015 - click to zoom