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10-18-2017, 06:02 PM | #23 | |
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iirc i did see an additional air hose on the idle control unit to let some amount of air pass by even when it's closed also. So far i haven't been able to confirm anything besides the fact that the whistling goes away if i disconnect the idle air hose.
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10-19-2017, 03:33 PM | #24 | |
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sounds like you are very close to solving this riddle
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01-21-2018, 10:20 AM | #26 | |
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Dreamspeed added this... |
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01-21-2018, 04:07 PM | #27 | |
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05-15-2018, 09:06 PM | #29 |
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05-20-2018, 01:08 PM | #31 |
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how did you figure that out?
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05-25-2018, 11:44 AM | #32 |
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I had the techs at Active Autowerke take a look and that was the only location the sound seemed to come from during low rpms acceleration. Replaced and it was fixed!
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05-25-2018, 03:48 PM | #33 |
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I had a vacuum test done -- no leaks. Someone else suggested the seal between the exhaust and the engine. Not that either.
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06-13-2018, 06:50 PM | #34 |
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UPDATE: whistle sound **fixed**. A big thank you to Beverly Hills BMW for solving.
Part no.: 11-61-7-838-010
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12-03-2018, 01:37 AM | #35 |
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Is this the elbow?
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02-03-2019, 03:08 PM | #37 |
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02-03-2019, 03:38 PM | #38 |
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08-01-2019, 01:22 AM | #39 |
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Oh THANK GOD. heading over there ASAP. Happen to remember your service advisor?
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02-20-2020, 09:50 PM | #40 |
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Sorry to revive old thread but up to what mileage is this covered by federal warranty? I have the same whistle on my 97k mile 2013 M3 Coupe. I live in California. Is this an emissions thing that is covered under California warranty?
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