Technical Service Bulletin B110521 — 2019 BMW M550I
FUEL SYSTEM, GASOLINE
Bulletin Details
| TSB ID | B110521 |
| Manufacturer | |
| Vehicle | 2019 BMW M550I |
| Component | FUEL SYSTEM, GASOLINE |
| Communication Date |
Bulletin Summary
The belt pulley on the mechanical coolant pump may fracture allowing the engine drive belt to come off the coolant pump and alternator.
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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