Thank you for the information the misfire has been fixed but the rattling noise is still slightly there but much quieter and less frequent. I'm thinking that noise is either a exhaust rattle or possibly the clutch fan. I still haven't pinpointed the location of the noise and since it is random and now i have no check engine light It makes it hard to find.

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2003 X5 3.0i automatic
jet blk/beige leather
premium, rear climate, sport packages
The "You'll never have extra money again!" Edition