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  1. intermitent engine failure - 5 cylinders only

    General E46 Forum
    Hi, Brothers. I need your help again. My car is a 330i 2003, 70k miles. I replaced the air filter, oil +filter, fuel pump, fuel filter, DISA valve, Oil level sensor, tires, shockers, and brake pads 4000 miles ago. Everything but the tires I did with this site DIY, which I really thank you...