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 MANUALSBMW1993740IL (E32/2) V8-3982CC 4.0L DOHC (M60)REPAIR AND DIAGNOSISDIAGRAMSELECTRICAL DIAGRAMSCENTRAL CONTROL MODULECONNECTOR NUMBERS
1993 BMW 740iL (E32/2) V8-3982cc 4.0L DOHC (M60)
Connector Numbers
1993 BMW 740iL (E32/2) V8-3982cc 4.0L DOHC (M60)SECTION Connector Numbers
Pin Assignment:
Connector Numbers:
Number Type Description
X332 5-pin, white GM-A
X253 26-pin green GM-B
X254 26-pin, white GM-C is only installed in conjunction with power windows.
X255 26-pin, yellow GM-D
X258 20-pin, black RM-A up to model year '88
RM-B as of model year '89
X259 20-pin, white RM-B up to model year '88
RM-A as of model year '89
Connector Numbers:
Number Type Description
X332 5-pin, white GM-A
X253 26-pin green GM-B
X254 26-pin, white GM-C is only installed in conjunction with power windows.
X255 26-pin, yellow GM-D
X258 20-pin, black RM-A up to model year '88
RM-B as of model year '89
X259 20-pin, white RM-B up to model year '88
RM-A as of model year '89
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.