I have 328i BMW 1997 model. When the car run between 130-150 km/h speed, smell like' oil cylinder burning" come in in the car. I feel that inhaling carbon monoxide inside the car. Speeding above 160 to 200 km/h, the bad smell gone . I have check and there is no leakage regarding engine's components and exhaust system. Air condition compressor & ventilation system also in the good condition. What is the problem? Pls.. advise. tq
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No oil drips anywhere
my problem is the same as the top one the is smell ofn its run between 140 to 200
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