| Components - Details | |
|---|---|
| Service Bulletin Number: B520217 | Replacement Service Bulletin Number: |
| Date Of Bulletin: - | Failing Component: 220000 SEATS |
| Vehicale/Equipment Name: BMW | Vehicale/Equipment Model: M4 |
| Vehicale/Equipment Year: 2017 | Date Added To File: May, 14 2018 |
| Summary: Service action: check pump for backrest width adjustment: the backrest width adjustment and, the lumbar support adjustment of the front seats are accomplished by a common air pump.<br /> | |
