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View Poll Results: I am experiencing a drone noise | |||
Yes | 49 | 52.13% | |
No | 45 | 47.87% | |
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06-08-2011, 08:09 AM | #67 | |
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Dude, quit being on my case, my car has 500 miles on it so far, and, I am SO SORRY I cannot drive it like you do, because I have to work and pay for the frickin thing. @ 1:50 Your video has more tire noise than exhaust sound...
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06-08-2011, 09:13 AM | #68 | |
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I don't understand the need to debate if you don't think it's a problem. Shouldn't you be out driving and enjoying it?
[QUOTE=EmmDrei;9772755] Quote:
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06-08-2011, 10:55 AM | #69 | |
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Sorry for the lengthy post, but some good info below:
I think maybe this should have been established page1.
But DRONE is: A continuous, low frequency, monotonous sound. It doesn't even need to be loud, in fact it is usually under very light load in lower RPM's. Just read what DINAN engineers struggled with on the E9x M3 exhaust they were developing. They state: "We worked at designs that would maintain the dual exhaust outlets but each iteration resulted in a heavy, low frequency drone with far too much back-pressure to produce any substantial power gains." Yet some M3 owners scoffed at the DINAN exhaust because the outer pipes were faux. For me and many others who bought the DINAN exhaust, the real functional gains and the lack of drone was more important. Quote:
Noooo. Eisenmann exhausts have a consistent sound for any given model and "individual car harmonics"? What are you talking about? Unless BMW(or whoever is making the exhaust for BMW) is changing the design mid production, the sound from car to car will be the same.
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06-08-2011, 12:05 PM | #70 |
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[QUOTE=superchargedman;9773836]I don't understand the need to debate if you don't think it's a problem. Shouldn't you be out driving and enjoying it?
Originally Posted by johnsfb And that surprises you? The thread starter had how many miles on his car when he started the thread? Stick the key in and start whining. Yippieyeah! Mine doesn't just stand around, I drive it. That's why I bought it. And honestly... I think, I've been through all the rev range in all the gears often enough by now. I've driven a total of four 1Ms (including my own) and exactly NONE had a "drone problem" non less a "syndrome". They all droned in the same rev range and I am sure, that that was meant to be and is part of the sound design. Actually, I think I have even recorded the effect. See this video, go to 1:50 and you hear how the sound changes. And it could be just about the rev range in question. The cars I have driven so far, including my own, ALL sound exactly like that. If your cars are different, i.e. louder, more annoying, then where is the problem to record it? Three quarters of the 1M owners probably have Iphones or Pods. The video I have linked to was made using my Ipod Touch. So yes, you're right, I lack compasion. Something wrong here. That post did NOT come from me. |
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06-08-2011, 08:45 PM | #71 |
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There does not seem to be any sign of an exhaust drone in the recent Chris Harris Video (lots of in car video where the vehicle seemingly is dead silent).
Even when the camera comes out, there is really no drone - just brilliant exhaust notes! http://www.1addicts.com/forums/showthread.php?t=541960 |
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06-24-2011, 01:32 PM | #72 | |
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06-24-2011, 09:24 PM | #74 |
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07-09-2011, 02:00 AM | #75 | |
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Annoyed the hell out of my wife today, and I have to drive on the highway on fifth in the 110km zone.
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07-17-2011, 12:39 AM | #77 |
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Someone with substantial miles should chime in.
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07-17-2011, 04:39 AM | #78 |
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My 1M is to be expected end of this month, turning in my E92 M3.....
The M3 has also a (exhaust) drone, 70km/h 5th gear, 2K RPM.........it`s droning very strong......only sollution; put it in 3th-4th or 6th gear.......rather 3th or 4th, this is an engine that loves to rev, and revs it has to make to run smoother, better, it`s just the nature of the game......... |
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07-17-2011, 07:17 AM | #79 |
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Pfff. Exhauston performance car without drone, is like living with a woman without vagina.
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07-17-2011, 07:38 AM | #81 |
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07-17-2011, 07:53 AM | #82 |
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I just read an article in Automobile magazine about the 1M and they basically say that the 1M is the first M car in a long time to put functionality over form; i.e., it's catering to the true enthusiasts and not the general public with a few extra $$ and the need to out-do the Joneses. They even mention the exhaust drone and attribute it to part of the 1M being a real M car and not a watered-down performance version of an everyday BMW that's catered to the rich and high profit margins.
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07-17-2011, 08:00 AM | #83 | ||
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I have no problem if it is loud, or if it drones at a different rev range/speed/loud. Droning at highway cruising speed is irritating. At the moment my solution is doing 100km or cruise in 5th.
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07-17-2011, 08:43 AM | #84 |
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I had a drone in my 6 cylinder VW after I put an aftermarket exhaust on it. In my opinion, it's less a sound than a vibration which is perhaps why film clips won't do the issue justice.
I resolved it by fitting a butterfly valve half way through the mid-section, operable by a switch on the dash. This was good for pottering around town and I could leave it open when at the race track or giving the car a boot full. Assuming that few owners will want to take such drastic action on a new car, the options might prove to be: - suck it up; or - fit a more restrictive muffler, but at the expense of top-end power. I doubt the problem can be fixed with a muffler that makes more noise elsewhere in the rev range or doesn't sacrifice power. |
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07-17-2011, 10:49 AM | #85 | |
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One of the BMW engineers was speaking to me about this very solution. That is fitting a butterfly clip in the system somewhere to keep it quiet at highway speed. |
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07-17-2011, 05:42 PM | #86 |
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The VW R32 Mk IV had one fitted stock. It was opened at a particular speed IIRC. Modifying the valve to stay open was referred to as the flapper mod.
If people are interested, I can dig out the pics of the system that I had. I expect that the guy who made mine is still making them, but it might be better to go for a factory system. |
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07-17-2011, 07:28 PM | #87 |
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Yes, a wireless flapper switch - now I know what that wireless switch is for in the akra.
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07-17-2011, 10:18 PM | #88 |
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500 miles and half of those on the highway, no drone
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