Technical Service Bulletin B520217 — 2016 BMW M4
SEATS
Bulletin Details
| TSB ID | B520217 |
| Manufacturer | |
| Vehicle | 2016 BMW M4 |
| Component | SEATS |
| Communication Date |
Bulletin 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.
About Technical Service Bulletins
A Technical Service Bulletin (TSB) is a document issued by a vehicle manufacturer to its dealers, describing a known issue with a specific vehicle or set of vehicles and the recommended procedure to fix it. Unlike recalls, TSBs are not mandatory and are typically only performed if an owner reports the related issue. However, TSBs can be an indicator of common problems with a vehicle.
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