Another possibility would be the intake cam position sensor dropping signal, and it doesn't throw a code for it right away but will after a few days.

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"When you do things right, people won't be sure you've done anything at all" (Bender, futurama)

You make something idiotproof, they'll make a better idiot

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Examine what is said, not who speaks.

X5 pics

RIP 4.6is.....

2003 4.6is