Vapor lock is not something that happens on modern cars. You need to check fuel pressure to determine if fuel pump is supplying pressure.

Your gauge is high enough it's not a siphon jet thing unless also the gauge is reading high (this recently happened to me).

Starts and stalls is a symptom of the IVM. (integrated voltage module).

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2011 E70 • N55 (me)
2012 E70 • N63 (wife)