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 MANUALSBMW1996850CI (E31) V12-5379CC 5.4L SOHC (M73)REPAIR AND DIAGNOSISA L L DIAGNOSTIC TROUBLE CODES ( DTC )TESTING AND INSPECTIONMANUFACTURER CODE CHARTSCRUISE CONTROLDEFECT CODE 01
1996 BMW 850Ci (E31) V12-5379cc 5.4L SOHC (M73)
Defect Code 01
1996 BMW 850Ci (E31) V12-5379cc 5.4L SOHC (M73)SECTION Defect Code 01
Fig. 4 Defect (trouble) Code 01 (Part 1 Of 6):
Fig. 4 Defect (trouble) Code 01 (Part 2 Of 6):
Fig. 4 Defect (trouble) Code 01 (Part 3 Of 6):
Fig. 4 Defect (trouble) Code 01 (Part 4 Of 6):
Fig. 4 Defect (trouble) Code 01 (Part 5 Of 6):
Fig. 4 Defect (trouble) Code 01 (Part 6 Of 6):
If a complete failure of the cruise control system occurs, or a failure occurs during one of the automatic cut-out functions, refer to defect (trouble) code 01, Fig. 4.
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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.