Quote:
Originally Posted by sahyoun
I used my boroscope and all 6 pistons had carbon buildup so did the valves, intake manifold, charge pipe, and even the spark plugs were submerged in oil. I changed the entire valve cover, the car runs much better, stopped misfiring, but there is still white smoke im now certain the oil seal in the turbo went out and im taking it to bmw to get it changed under the extended turbo warranty
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White smoke is not oil.....its coolant.