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 MANAGEMENTTRANSMISSION CONTROL SYSTEMSDESCRIPTION AND OPERATIONFUNCTIONAL DESCRIPTIONADAPTIVE GEARSHIFT CHARACTERISTIC CONTROL
1987 BMW L7 (E23) L6-3430cc 3.4L SOHC (M30)
Adaptive Gearshift Characteristic Control
1987 BMW L7 (E23) L6-3430cc 3.4L SOHC (M30)SECTION Adaptive Gearshift Characteristic Control
Adaptive Gearshift Control
When pulling a trailer or driving on steep gradients, the changed acceleration capacity of the vehicle is evaluated by the control unit. For this purpose, the control unit selects (adapts) suitable gearshift programs to avoid alternating gearshifts in the transmission. The changed gearshift points are intentional and normal.
When pulling a trailer or driving on steep gradients, the changed acceleration capacity of the vehicle is evaluated by the control unit. For this purpose, the control unit selects (adapts) suitable gearshift programs to avoid alternating gearshifts in the transmission. The changed gearshift points are intentional and normal.
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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.