Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSBMW1987L7 (E23) L6-3430CC 3.4L SOHC (M30)REPAIR AND DIAGNOSISTRANSMISSION AND DRIVETRAINAUTOMATIC TRANSMISSION/TRANSAXLERELAYS AND MODULES - A/TCONTROL MODULEDIAGRAMSCONNECTOR VIEWS
1987 BMW L7 (E23) L6-3430cc 3.4L SOHC (M30)
Connector Views
1987 BMW L7 (E23) L6-3430cc 3.4L SOHC (M30)SECTION Connector Views
35 Position ECU Plug:
Connector View
System
ZF Early E-7 Version
Location
Under dash driver's side "A" pillar
LEGEND
1 - Solenoid Valve Power
2 - Kickdown Switch
3 - NO CONNECTION
4 - Shitt Lever Position "Neutral"
5 - Ground
6 - Throttle Potentiometer Ground
7 - Throttle Potentiometer Signal
8 - Road Speed Sensor
9 - Throttle Potentiometer Supply
10 - Coding
11 - Injection Open Time "Ti" Milliseconds
12 - NO CONNECTION
13 - NO CONNECTION
14 - Program Switch
15 - Program Switch
16 - Solenoid Valve "MV1"
17 - Solenoid Valve "MV2"
18 - Shift Lever Position "1st Gear"
19 - Ground
20 - Solenoid Valve "MV4" Reverse
21 - Engine Speed Signal "TD"
22 - Solenoid Valve "MV5" Pressure Regulator
23 - Road Speed Sensor Shield
24 - Timing Retard Torque Reduction
25 - Lock up Solenoid "MV3"
26 - Coding
27 - Road Speed Sensor
28 - Shift Lever Position "2nd Gear"
29 - Shift Lever Position "3rd Gear"
30 - Shift Lever Position "Drive"
31 - Wide Open Throttle "VL Signal
32 - NO CONNECTION
33 - Fault Lamp
34 - NO CONNECTION
35 - Ignition Switch
NOTES:
1. EML means the car has a electronic management logic unit which controls the drive by wire throttle position sensor.
2. The data makes use of the symbols "<" & ">". Symbol "<" means less than and symbol ">" means greater than.
3. MV refers to the solenoid valves which control the shifting of the gears.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.