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Engine Electrical System - Technical Data - 740i & 740iL - E38: Other BMW 7 series E65/E66

12 13 Ignition Coil E38

Ignition coil for non-operating ignition distribution
Primary winding resistanceApprox.ohm0.8
Secondary winding resistanceNot measurable
Resistance of Bosch spark plug connectorApprox. kohm1 +/- 20%
Resistance of Bremi spark plug connectorApprox. kohm1.8 +/- 20%

IGNITION COIL E38 TECHNICAL SPECIFICATION

12 14 Electronic Shift Units or Control Units E38

Pulse sender
Coil resistance at 20 °C
All modelsOhm 540+/- 10%
With breakerless ignition distributionOhm1280+/- 10%
Distance from inductive pulse sender / gearMm1.0 +/- 0.3

ELECTRONIC SHIFT UNITS OR CONTROL UNITS E38 TECHNICAL SPECIFICATION

12 31 Alternator with Drive and Mounting Parts E38

Rated voltageV14
Rated voltageA/W65/91070/98080/112090/1260105/1470115/1610140/1960150/2100
Shielded capacitorMu F2.2 +/- 20%

ALTERNATOR WITH DRIVE AND MOUNTING PARTS E38 TECHNICAL SPECIFICATION

12 32 Regulator E38

Regulated voltage at 1500 rpm engine speed/no electrical devices on (at 30 °C to 60 °C at regulator)V13.5... 14.1
Constant voltage regulator (only for vehicles with battery in trunk or underneath rear seat)V14.3+/-0.1

REGULATOR E38 TECHNICAL SPECIFICATION

12 41 Starter Motor with Bracket, Solenoid Switch E38

Current consumption at term. 50 (with rated voltage)
With rated power of 1.4 KW
Pull-in windingA54.5
Hold-in windingA10.5
At rated power of 1.7 KW with intermediate transmission
Pull-in windingA51
Hold-in windingA9.5
With rated power of 1.8 KW
Pull-in windingA50
Hold-in windingA12
With rated power of 2.0 KW
Pull-in windingA54.5
Hold-in windingA10.5

STARTER MOTOR WITH BRACKET, SOLENOID SWITCH E38 TECHNICAL SPECIFICATION

Current consumption at term 50 (with rated voltage)
With rated power of 2.2 KW
Pull-in windingA58
Hold-in windingA13
At rated power of 2.2 KW with intermediate transmission
Pull-in windingA60
Hold-in windingA10
At rated power of 2.6 KW with intermediate transmission
Pull-in windingA50
Hold-in windingA12

STARTER MOTOR WITH BRACKET, SOLENOID SWITCH E38 TECHNICAL SPECIFICATION

12 41 Starter and Mounting Parts E38

Rated powerKW
M50, M52, S52KW1.7
M51KW2.2
M60, M62KW1.7
M70, M73KW2.2
M57KW2.2
M67KW2.6
S62KW
Axial armature playMm0.1 ... 0.2
Carbon brush lengthAt least mm13
Testing voltageV12 +/-0.3

STARTER AND MOUNTING PARTS E38 TECHNICAL SPECIFICATION

12 61 Oil pressure, oil temperature, oil level display E38

Switch-on pressureBar0.2 ... 0.5
Oil level switch Note: Max. 200 mA testing load. Measured against vehicle ground
Static at connection 1
Level okayKohm+/- 1%
Level too lowOhm0... 0.2
Dynamic at connection 2
Level okayOhm0... 0.2
Level too lowOhmInfin

OIL PRESSURE, OIL TEMPERATURE, OIL LEVEL DISPLAY E38 TECHNICAL SPECIFICATION