Sometimes it sounds like its coming from the top front. Sometimes it sounds like the top middle. Sometimes the top back of the motor sometimes the bottom of the motor sometimes it sounds kinda like that transmission. But if has never sounded like it was coming from the drivers side. maybe the clutch fan, Maybe the valves, maybe the exhaust i don't know but i would prefer to wait till it's a bit warmer outside to be crawling all over the ground and tearing it all apart.

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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