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 DIAGNOSISPOWERTRAIN MANAGEMENTTECHNICAL SERVICE BULLETINSALL TECHNICAL SERVICE BULLETINSMODIC(R) - UPDATED SOFTWARE V5.1PROGRAMMING THE CONTROL MODULEEXCHANGE PROM
1993 BMW 740iL (E32/2) V8-3982cc 4.0L DOHC (M60)
Exchange PROM
1993 BMW 740iL (E32/2) V8-3982cc 4.0L DOHC (M60)SECTION Exchange PROM
"Exchange EPROM"
This step is used to determine the part number for the programmable EPROM that is to be used on this vehicle. This step affects DME 3.1 and 3.3 only. The programming procedure is divided into two steps.
Step 1 - "Determining EPROM"
The MoDiC reads the data (chassis number, part number of the basic control module, and part number of the programmed control module) necessary for programming from the defective control module and determines the part numbers of the possible EPROM which may be installed in that vehicle.
If this is not possible, the data may be read off the label of the defective control module and entered manually into the MoDiC.
Step 2- "Program EPROM"
The MoDiC programs the newly installed EPROM with the aid of the data derived by Step 1. The new control unit label can be printed out by the MoDiC station printer, or completed by hand.
The MoDiC programs the EPROM with the latest data. Because of this, the programmed basic control module may have a different part number.
EPROMs may only be programmed one time. It is possible, however, to install another new EPROM.
This procedure takes approximately three minutes. Extensive help information is available by pressing the "C" key on the MoDiC. This help information is only available when the "C" key is displayed.
Be advised that there may not be an EPROM for all control modules. If this is the case, a preprogrammed control module must be ordered.
This step is used to determine the part number for the programmable EPROM that is to be used on this vehicle. This step affects DME 3.1 and 3.3 only. The programming procedure is divided into two steps.
Step 1 - "Determining EPROM"
The MoDiC reads the data (chassis number, part number of the basic control module, and part number of the programmed control module) necessary for programming from the defective control module and determines the part numbers of the possible EPROM which may be installed in that vehicle.
If this is not possible, the data may be read off the label of the defective control module and entered manually into the MoDiC.
Step 2- "Program EPROM"
The MoDiC programs the newly installed EPROM with the aid of the data derived by Step 1. The new control unit label can be printed out by the MoDiC station printer, or completed by hand.
The MoDiC programs the EPROM with the latest data. Because of this, the programmed basic control module may have a different part number.
EPROMs may only be programmed one time. It is possible, however, to install another new EPROM.
This procedure takes approximately three minutes. Extensive help information is available by pressing the "C" key on the MoDiC. This help information is only available when the "C" key is displayed.
Be advised that there may not be an EPROM for all control modules. If this is the case, a preprogrammed control module must be ordered.
RENDER: 1.0x
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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.