Firing Voltage; Firing Order - BMW 745i Repair Instructions

09 Engine
BMI W 745iA
Firing voltage
Engine speed
Firing voltage
Firing voltage diff.
Oil temperature
Exhaust CO
, Firing order:
A
I
B
I
C
I
D
' I
ElF
I
11513161214
Distributor No.
0237304017
8SO + SO/min
6 ... 14 kV
<
3kV
>
60°C
0,5 ... 2,0
%
by vol.
Test
sequence:
1. Connections: diagnosis plug, trigger clip, HT clip, oil temperature sensor (exhaust probe)
!
2. Start the engine after firing voltage has appeared (app. 40 s). Comp.with nominal values
3. Press
ill
for individual cylinder values
(To repeat test step with print·out: press
[!]
again; without print-out: ~ )
If nominal values are not reached: adjust exhaust emissions, check spark plugs, break in ignition leads
Further information on workshop manual microfiche, job No. 12 11 209,1300054, Specifications 12 12 ...