Well this morning when I left for work it was hesitating again after the cold start. So, it must be something else.. I think I'll run a bottle of Techron though it and change the plugs, since it's been a couple of years since they were replaced. It's just really strange, since it only does it for about the first minute after a cold start. After that, it runs great.

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2000 c280 Sport (looks like an upgrade, feels like a downgrade)
1991 190e 2.3 (sold)