Ignition Timing - BMW 745i Repair Instructions

BMW745iA
Distributor No.
I
1 06
Engine
Ignition timing
0237304017
1
I
Engine speed 2200
+
SO/min
Ignition timing
35° CSbTDC i
Vacuum engine
Ombar
Exhaust CO at 8SO
+
SO/min 0,5 ... 2,0
0 /0
by vol.
I
(Vacuum hoses attached to distributor)
Oil temperature
>
60 °C ·
Engine speed window
22OO/min
1 -
Test 1. Connections: diagnosis plug, triger clip, oil temp_ sensor, exhaust probe, TDC indicator
sequence: 2. Start the engine and detach vacuum hoses from the distributor
3. Program the engine speed window, press
!Bl
,input nominal value
4. Slowly raise speed to nominal value/min and compare with nominal values.
(To repeat test step with print-out:
[Q]
lID ;
without print-out: ~ ; to cancel input: ~
).
" nominal values are not reached: adjust ignition timing
Further information on workshop manual microfiche, job No. 1211 004, Troubleshooting·transistoried coil ignition,
Spec.: 12 11 ...