Dwell - BMW 745i Repair Instructions

J
, I
BMW745iA
,05 Engine
I ,
Dwell
Engine speed
I
Dwell ratio
Dwell angle
,
900
+
5O/min
53.4 ... 86.6
32 ... 52
I
U Tenn.1
Voltage at coil term. 1 (0: 9 and 3)
Timing deviation
I
Test
sequence:
1. Connections: diagnosis plug, trigger clip
2. Start the engine
3. Compare with nominal values
(To repeat test step w'ith print·out:
[ID~)
Distributor No.
O'rJ7~017
'
4500
+
5O/min
78.3 ... 94,9
% '
47 ... 57 °dist. shaft
<
2.0 V '
<
3
0
crankshaft
I If nominal values are not reached: check distributor and transistorized coil ignition control unit
Further information on workshop manual microfiche, job No. (Troubleshooting·transistorized coil ignition)