2013 BMW 335i – Hard Start, Stall Issue, then Becomes a Rough Idle – 5v ref (1F1A91 119404 – 101F01)

Today we are working on a 2013 BMW 325i N55 F30. Concern is hard start and stalling. Along with codes 1F1A91 and 119404. Once that was fixed it became a rough idle concern, along with a code 101F01. A little documentation goes a long way!

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