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 MANUALSBMW2011128I CONVERTIBLE (E88) L6-3.0L (N51)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTESTING AND INSPECTION
2011 BMW 128i Convertible (E88) L6-3.0L (N51)
Computers and Control Systems: Testing and Inspection
2011 BMW 128i Convertible (E88) L6-3.0L (N51)SECTION Testing and Inspection
00 00 555 - Interrogating fault memories in diagnosis system
Connect diagnostic system to OBD socket.
Switch on ignition.
Carry out vehicle identification.
Click on Brief test.
The brief test is carried out.
Note:
For motor vehicle diagnostics, the brief test is essential for evaluating possible stored diagnostic trouble codes. In the brief test, the control units are physically identified in succession and their fault memories read out.
If the fault memory has been read out, the faults appear in the "Fault pattern selection" mask in the "Fault memory contents" field.
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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.