NHTSA Complaint #11684910 — 2012 BMW 528I

The failure involved the breaking of the oil chain, which resulted in catastrophic engine damage. Consequently, the timing chain and splash shield were also compromised due to the initial failure. The incident appears to be caused by a malfunction or defect in the oil chain assembly. The affected components are available for inspection and further investigation. This information may be useful for evaluating the need for a recall or identifying underlying manufacturing or design issues.