1999 BMW 316 WHISTLING NOISE ON RUNDOWN AND AT IDLE

  • Tiny
  • stevenmac
  • 1999 BMW 316

Noises problem
1999 BMW 316 4 cyl Two Wheel Drive Manual 151000 miles

Hi. I am experiencing a high pitched whistle in my 99 E46 BMW 316i 1.9. It happens once the car warms up after 20 miles or so. It disappears if you fully press the accelerator but is louder as the car comes down to idle speed. Already changed the idle regulator at the advice of a shoddy mechanic who lied to me that he had fixed the problem. Please please please help. This noise is ruining my life. My vin is aw52308

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Sunday, August 31st, 2008 AT 10:34 AM

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  • Tiny
  • Dr. Hagerty
  • Expert
  • 9,720 posts

Your life is not being ruined, all is well. Please repost with the vehicle identification number so that I know how to advise you.

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Sunday, August 31st, 2008 AT 12:04 PM
  • Tiny
  • hussain54
  • Member

Hello, I am also experiencing the exact problem with my BMW 316. I have gone to three or four mechanics and everyone has diagnosed different problem. Kindly tell me how have u rectified it and what was the exact cause. Thanks

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Saturday, July 28th, 2012 AT 10:31 PM
  • Tiny
  • Dr. Hagerty
  • Expert
  • 9,720 posts

11157501567 is the part you need, it is the crankcase vent valve

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Friday, October 26th, 2012 AT 6:27 AM

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