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 DIAGNOSISTRANSMISSION AND DRIVETRAINTRANSMISSION CONTROL SYSTEMSTECHNICAL SERVICE BULLETINSBY SYMPTOMHARD SHIFTINGA/T - EGS/AGS CONTROL MODULE EPROM REPLACEMENTB. EPROM REPLACEMENT FOR ZF TRANSMISSIONS
1993 BMW 740iL (E32/2) V8-3982cc 4.0L DOHC (M60)
B. EPROM Replacement For ZF Transmissions
1993 BMW 740iL (E32/2) V8-3982cc 4.0L DOHC (M60)SECTION B. EPROM Replacement For ZF Transmissions
CAUTION
- Whenever connecting or disconnecting any control module the IGNITION MUST BE SWITCHED OFF.
1. Lay the control module on a static mat and carefully bend up the 6 taps.
Remove the plastic retaining pin using a small screwdriver and needle nose pliers.
2. Remove the 2 torx screws (TORX T2O) from the cover of control module.
3. Remove the protective cap on the EPROM by inserting a small screwdriver into one of the slots on the side of the cap.
4. Remove EPROM by using an IC extractor tool and carefully pulling it out of the socket.
Caution:
Do not touch contact pins of the EPROM.
5. Reinstall new EPROM, making certain that:
1) All pins are straight.
2) The notch in the EPROM and the notch in the socket are aligned.
3) That all pins have been inserted into the socket correctly and completely.
6. Reassemble control unit by:
1) Reinstalling EPROM cap.
2) Carefully reinstall cover, making certain that none of the taps on the cover come in contact with any of the pins on the PC board.
3) Secure cover to module by reinstalling 2 Torx screws.
4) Carefully bend the taps down.
- Whenever connecting or disconnecting any control module the IGNITION MUST BE SWITCHED OFF.
1. Lay the control module on a static mat and carefully bend up the 6 taps.
Remove the plastic retaining pin using a small screwdriver and needle nose pliers.
2. Remove the 2 torx screws (TORX T2O) from the cover of control module.
3. Remove the protective cap on the EPROM by inserting a small screwdriver into one of the slots on the side of the cap.
4. Remove EPROM by using an IC extractor tool and carefully pulling it out of the socket.
Caution:
Do not touch contact pins of the EPROM.
5. Reinstall new EPROM, making certain that:
1) All pins are straight.
2) The notch in the EPROM and the notch in the socket are aligned.
3) That all pins have been inserted into the socket correctly and completely.
6. Reassemble control unit by:
1) Reinstalling EPROM cap.
2) Carefully reinstall cover, making certain that none of the taps on the cover come in contact with any of the pins on the PC board.
3) Secure cover to module by reinstalling 2 Torx screws.
4) Carefully bend the taps down.
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.