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 DIAGNOSISTECHNICAL SERVICE BULLETINSALL TECHNICAL SERVICE BULLETINSELECTRONIC DAMPING CONTROL SYSTEM - DESCRIPTIONPROGRAM SELECTION
1987 BMW L7 (E23) L6-3430cc 3.4L SOHC (M30)
Program Selection
1987 BMW L7 (E23) L6-3430cc 3.4L SOHC (M30)SECTION Program Selection
The two-position console mounted switch enables the driver to choose between the Comfort (K) program and the Sport (S) program. The only indication of program selecton is the switch position.
Comfort Program
When the comfort program is selected, the priority setting is for soft damping. Any changes to dynamic movement detected by the sensors will allow the system to switch to either medium or firm depending on how severe the dynamic changes are. The system will automatically switch back to the soft setting when conditions warrant. This results in an ideal combination of maximum comfort and optimum driving responsiveness.
Sport Program
When the sport program is selected, only the medium and firm damping settings are used. The control unit selects the medium setting until dynamic changes require a higher damping force to maintain stability. The program characteristics allow the firm setting to be selected sooner and held longer than the comfort program.
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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.