BMW TSB #B010319
2012 BMW 550
Affected Component: EQUIPMENT ADAPTIVE/MOBILITY
- Summary
- N63T ENGINE - REAR MONITORING OXYGEN (O2) SENSORS: LIMITED WARRANTY EXTENSION TO 10 YEARS/120000 MILES. The malfunction indicator lamp (MIL) lights up after performing the Vehicle Test diagnosis fault(s) relating to the rear monitoring oxygen sensor(s) may be recorded in the DME fault memory.