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12-02-2010, 06:40 AM | #1 |
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I think there's something wrong with my turbos.
I noticed today when driving with windows down that there is this whining noise coming from my car when I accelerate through 1st and 2nd gear. Beyond that the wind noise is too much to hear it. The noise is VERY noticeable in enclosed places like carparks.
I know for certain that this noise was not present before. It's sort of a high pitched whine when the turbos start to spool up. There's no loss in performance, but I'm too afraid to got WOT now. Time for dealership visit?
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12-02-2010, 03:14 PM | #2 |
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12-02-2010, 03:40 PM | #3 |
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Does it happen when you rev hard then you can here it winding down? If so, I had the same concern but it's just how our turbos sound. I was expecting more of the usual turbo whistle but ours whine for some reason (maybe complaining on behalf of the engine about being starved by the fuel pumps ).
http://www.1addicts.com/forums/showt...ighlight=turbo
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12-02-2010, 03:47 PM | #4 | |
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12-02-2010, 06:25 PM | #5 | ||
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I've had my DCIs for over 9 months now and it's definitely not the turbo whistle or induction noise. Sorta even sounds like a supercharger in first gear. This was definitely not present before the drive day last Sunday. That thread you linked me SEEMS to address my concerns but I posted this same topic in the "Engines" section and all the Americans are saying that it's happened to them and my turbos are on the way out EDIT: found a video. My car sounds similar to the video at around 20 seconds, but not when I'm just sitting there and revving. It's the sound that comes out when I drive.
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E82 135i M-sport: SGM/6MT/Black Last edited by Jeef Beef; 12-02-2010 at 06:35 PM.. |
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12-02-2010, 08:39 PM | #6 | |
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I've had wine like your describing for about 40,000 klms. You should find that going back to the stock air box will about 90% eliminate the noise. BMW Aus when I took the car to them for analysis (stock air-box) indicated it was the transmission & no warranty due to the LSD (although I never really tried to hide my tune had they wanted to ping me on that). I had the AT people the $tealership use take the car for a drive, the owner of the workshop within 500m said "sounds like noisy turbo's to me". I've serviced the tranny to be sure and it's fine. I've driven another 25K and the whine is no worse, car still runs like a cut snake. Wastegates are a little more rattly when the tune is on, quiet as when running stock. As I'm well out of warranty I purchased a set of cores which are with Rob Beck. Once his first batch of upgraded snails are installed without issue by the 15 or so people buying the first batch I'll have him send me a set. Not looking for max power but a good overall bump + better reliability. Cheers, Stuart
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12-05-2010, 07:53 PM | #8 | ||
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I have had this noise now for months.... It is still there and giving me the absolute irrits!! So far replaced: (The car has gone back to the dealer that many times now... BMWAUS has been out to look at it etc..) Front Turbo Rear Turbo All the piping hot side Intercooler Boost Module Airbox (yes! I know) Noise is still there I think it may be something else altogether... (it sounds to me like a PS pump whine) it can't be exhaust.. as the noise is the same for all ppl that have this problem.. Quote:
OVER IT! Not to mention that the long cranks are coming back... and excessive back fires... Last edited by 555; 12-05-2010 at 07:59 PM.. |
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12-06-2010, 05:46 AM | #9 | |
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12-06-2010, 06:19 AM | #10 | |||
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11-30-2011, 05:03 PM | #11 |
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I have this as well, I thought is was the cops at first (roof down). I only ever notice it when we drive out of the driveway and up the hill in our street in 2nd when the car is cold on light throttle. Never warm. Car still goes fine and given what people have changed to fix this I'm inclined to ignore it until something breaks or performance suffers.
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11-30-2011, 05:15 PM | #12 |
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I thought this was from the intake. When I tried the AFE intake the sound became more pronounced.
I fixed it by checking the connections on the intake. Inlet and outlet was the problem for me. When I tightened it up and made it flush then it was a lot less noticeable. However it sounded exactly like the video you posted. I could hear it even inside the car lol |
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11-30-2011, 05:17 PM | #13 | |
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11-30-2011, 05:39 PM | #14 | |
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Last edited by MikeVictor; 12-01-2011 at 01:34 AM.. |
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11-30-2011, 05:43 PM | #16 |
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I miss my VF34...
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11-30-2011, 06:01 PM | #17 |
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Sounds like the sound I get because of the DPs. But I don't think Jeef had DP's at this time?
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11-30-2011, 08:11 PM | #18 |
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11-30-2011, 11:33 PM | #20 |
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me too... very loud.... a good reason why I shouldn't stop my car at traffic light..
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11-30-2011, 11:41 PM | #21 |
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11-30-2011, 11:54 PM | #22 |
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My turbos are cooked, they've been noisy since the day I got the car and now they are starting to smoke too.
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