06-08-2013, 09:08 PM | #1 |
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2011 X5 50i "Electric Noise"
Hello Guys...
A week ago I got a 2011 X5 50i M Sport with only 2k miles on the clock and noticed that sometimes it will make an electric noise (kind like superchargers) when accelerating fully, the noise could be heard as well when driving around at low speeds like on a neighbourhood with the windows down... It sounds like an electric motor... I saw some old posts of people that had the same problem but nothing very concrete since they fixed the noise only temporarily... Has there been any upadtes on the noise? or is it normal? Thanks! JC |
10-08-2013, 12:04 PM | #12 | |
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It's definitely not the turbos, it's a mechanical whine. I've wondered what makes the sound since I purchased the X in August, but haven't pursued it much. I figure if it's not normal, it's under warranty so I don't really care. |
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10-08-2013, 12:29 PM | #13 |
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JDKX5 yes I'm happy with the acceleration and handling. My wife is taking the X5 as I'm getting a 535. She drove Mercedes, infinity and Acura suv's and she love our X5 the best. She said the X5 had a lot more power and she said it handles like her old car which was a Lexus IS350. It's not as fast as a V8, but it's still faster than any other SUV out there with a 6 cylinder.
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10-08-2013, 04:08 PM | #14 |
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I had a horrid moaning and groaning noise coming from the engine compartment of my '11 50i. Turned out it was the oil pump. Search that and you will find good information (here, Google and at Bimmerfest). These rigs have sort of noisy oil pumps anyway, but I had my oil pump replaced and I am now in good shape.
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10-08-2013, 05:29 PM | #15 | |
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Hmmm. I would not characterize the whine from my 50i as "horrid" Was your failing oil pump audible at idle? |
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10-09-2013, 05:55 PM | #16 |
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I have mine in the shop now. They just replaced all the injectors and I printed out a couple of threads about the oil pump noise and asked them to replace it. When I went to pick it up today they said "we couldn't hear it" so I took a spin with the shop foreman with the windows down (apparently they did not drive it with the windows down) and it was clearly audible, particularly when flooring it from a standstill or cruising speed. I have seen it written on other boards that the noise is louder when the car is warmed up though I have not paid attention to that. I got the standard "don't believe everything you read on the internet" response when I brought up all the information about the oil pump on the net, but they did agree to keep the car in the shop, do further testing, and call BMW to ask what to do. To be honest, I'm not optimistic because the foreman said "I will check the pressure in the pump and then ask bmw what to do," but perhaps they will at last fix this noise. Any tips for how to convince them to get it done?
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10-11-2013, 03:31 PM | #17 |
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Oy. Just got a call from the dealer who wants to uninstall the Dinan software to make sure that is not causing the oil pump sound...sigh..seems like they are trying to get out of paying to replace the oil pump. At least they are looking into it, hopefully this means that it will get replaced one way or the other, just a matter of who pays, Dinan or BMW.
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10-14-2013, 04:16 PM | #19 |
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3 More Really Good Links.
Work Order for Oil Pump: View post on imgur.com Viddy with "The Sound": http://s146.photobucket.com/albums/r...W_X5_Whine.mp4 I watched and listened to the Viddy above, and heard exactly what I was dealing with. My problem was solved as soon as they replaced my Oil Pump. Absolutely no question about it. The work order was helpful; however, there is an easier way to replace the Oil Pump. My Tech did not have to drop the engine. The Bimmer Techs at the BMW Mothership are well aware of this problem. They just don't sing about it! Hope this helps! |
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10-14-2013, 04:18 PM | #20 |
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Oh, and one more thing: I have Dinan Stage 2 as well. Absolutely no connection. Seriously goofy or manipulative that they would suggest a connection! As Jean Luc Picard well knows, this is clearly a mechanical issue. I mean, it's not like its coming through the speakers or something!
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10-14-2013, 05:19 PM | #22 | |
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