2011 BMW 535i Whining noise. Help🙏 Why Does My Turbo Whistle When I Accelerate
Symptoms of a Failing Turbo: 9 Bad Turbocharger Signs Ecoboost noise on acceleration Hissing sound when accelerating Normal. If it turns into a vibrato whistle then the turbo bearings are on the way out. I guess it makes up for lack of coolant temp gauge. I found out why my BMW makes a Whistling Sound E46 #shorts ...