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BMW TSB #B122319
2017 BMW 640
TSB Document:
Affected Component: EQUIPMENT ADAPTIVE/MOBILITY
- Summary
- DIAGNOSTIC HINT: CATALYTIC CONVERTER INSPECTION AFTER LOSS OF CRANKSHAFT SIGNAL. In certain situations when the crankshaft position signal is lost while driving the malfunction indicator lamp (MIL) and an engine malfunction check control message (CCM #29) may be displayed. The engine may run roughly or with reduced power.
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