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 DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTECHNICAL SERVICE BULLETINSALL TECHNICAL SERVICE BULLETINSUPDATED MODIC(R) SOFTWARE - P9.0 PROGRAMMINGPROGRAMMING THE CONTROL MODULE4. "ADJUSTMENT EWS - DME VEHICLES FROM 1/95
1987 BMW L7 (E23) L6-3430cc 3.4L SOHC (M30)
4. "Adjustment EWS - DME Vehicles From 1/95
1987 BMW L7 (E23) L6-3430cc 3.4L SOHC (M30)SECTION 4. "Adjustment EWS - DME Vehicles From 1/95
NOTE:
After synchronizing an EWS vehicle the ignition must be switched off for at least 10 seconds prior to restart.
This step is used to synchronize an EWS control module with the DME if:
1. The DME control module has been replaced with a pre-programmed DME control module or
2. After programming a basic programmable control module or a replacement EPROM, the message "Programming complete-EWS alignment not carried out" is displayed. Start adjustment EWS-DME Y/N
Refer to TRI 61 01 95 (2144) for complete EWS details.
After synchronizing an EWS vehicle the ignition must be switched off for at least 10 seconds prior to restart.
This step is used to synchronize an EWS control module with the DME if:
1. The DME control module has been replaced with a pre-programmed DME control module or
2. After programming a basic programmable control module or a replacement EPROM, the message "Programming complete-EWS alignment not carried out" is displayed. Start adjustment EWS-DME Y/N
Refer to TRI 61 01 95 (2144) for complete EWS details.
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.