All, I recently picked up an 04 E53 with the N62 motor. Was told that it started making noises and stopped running. I have started taking the engine apart to do the chain guides. See attached pictures. The driver side bank of engine had the chain come off the intake sprocket. There is evidence that the engine was spinning with the chain not turning the cam. I am trying to decide if I should gamble and just do all the guide replacement work and hope for the best or is it possible that I have bent valves? Looking for any help or knowledge of these engines.

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Dave S.
Northeast
2003 4.6is
2005 E53 4.4
2003 E39 Msport(a REAL ONE!)
1959 Fiat 600