5 Series E34 530i (M30) SAL
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Electric test on Bosch alternator
Note:
Alternator disassembled
Make tests with BMW Service Tester.
Checking rotor winding for breaks and shorted turns:
Place test lead for resistance testing on slip rings.
Alternator
-
80 A = 2.8
Ω±
10
%
:
-
65 A = 3.4
Ω±
10
%
:
-
90 A = 2.9
Ω±
10
%
:
-
115 A = 2.65
Ω±
10
%
:
-
140 A = 2.65
Ω±
10
%
:
Checking rotor winding for short circuit to earth:
Connect test lead for resistance test on slip ring and rotor shaft.
Specified value:
∞
corresponds to display 999 k
Ω
Checking stator winding for short circuit to earth:
Connect test lead for resistance test on solder point and stator
(winding carrier).
Specified value:
∞
corresponds to display 999 k
Ω
RA Electric test on Bosch alternator
BMW AG - TIS
25.01.2013 00:19
Issue status (12/2007) Valid only until next DVD is issued
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