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#1
02-19-2019, 05:33 PM
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Help for strange noise
Good evening, I have been buying a beautiful X5 e70 in 2008 with 120.000 km. The car was in excellent condition and did not give me problems until a few days ago. The current distance is 125,000 km, and I began to hear a noise that is valuable only from inside the cockpit. Having to describe it, I would describe it as a "ringing, which follows the revolutions / engine, but which feels more pronounced between 1500 and 2000 rpm.The first suspect I had was that of the distribution chain, but I think I can exclude it following the following characteristics / verifications: 1) noise occurs only when the engine is hot; 2) the noise disappears when I'm facing a curve on the right or left and comes back as soon as I straighten the steering; 3) the noise is audible however also in neutral with the car stationary; 4) a mechanic whose trust I tried to remove the services belt and the noise disappears. We tried to change the engine pulley with a new one but unfortunately the noise remained. These considerations have therefore made us think with some confidence that the noise don't comes from the chain, even if, as a result of this attempt I passed in bmw, w tell me it could be the chain. At this point I do not really know what to think. Is there anyone who can give me a hand? Thank you in advance. Sorry for my english, It has translate.
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#2
02-19-2019, 08:56 PM
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Can you make a video of the noise and post it here?
__________________
'01 740i Sport MKIV, Quad Brake Lights, Bi-Xenon retrofit, HID Fogs Dinan 7 Struts, Springs, camber plates, Intake, MAF, CAI, Throttle Body, NBT Retrofit, Strong Strut  '99 318ti Titanium Silver; '97 318ti Boston Green; '13 X5 3.5i Saphire Black Metallic '84 633csi Black (sold); '88 325iC Black (sold); '97 740iL Black(sold); '01 740iS Black (sold);'97 318ti White (sold); '08 X5 4.8i Titanium Silver (sold); '96 318ti Alaska Blue (sold)
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#4
02-20-2019, 05:54 PM
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Any chance you can get the recording from under the hood/bonnet and not from inside the cabin?
__________________
'01 740i Sport MKIV, Quad Brake Lights, Bi-Xenon retrofit, HID Fogs Dinan 7 Struts, Springs, camber plates, Intake, MAF, CAI, Throttle Body, NBT Retrofit, Strong Strut '99 318ti Titanium Silver; '97 318ti Boston Green; '13 X5 3.5i Saphire Black Metallic '84 633csi Black (sold); '88 325iC Black (sold); '97 740iL Black(sold); '01 740iS Black (sold);'97 318ti White (sold); '08 X5 4.8i Titanium Silver (sold); '96 318ti Alaska Blue (sold)
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#6
02-21-2019, 08:43 AM
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So you can't hear it from the engine compartment at all, even if someone helps you by slowly revving the engine? What engine do you have?
__________________
'01 740i Sport MKIV, Quad Brake Lights, Bi-Xenon retrofit, HID Fogs Dinan 7 Struts, Springs, camber plates, Intake, MAF, CAI, Throttle Body, NBT Retrofit, Strong Strut '99 318ti Titanium Silver; '97 318ti Boston Green; '13 X5 3.5i Saphire Black Metallic '84 633csi Black (sold); '88 325iC Black (sold); '97 740iL Black(sold); '01 740iS Black (sold);'97 318ti White (sold); '08 X5 4.8i Titanium Silver (sold); '96 318ti Alaska Blue (sold)
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#8
02-21-2019, 08:21 PM
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Unfortunately I don't know enough about the 3.0 d to be of much help. Hopefully someone with more knowledge than I will chime in.
__________________
'01 740i Sport MKIV, Quad Brake Lights, Bi-Xenon retrofit, HID Fogs Dinan 7 Struts, Springs, camber plates, Intake, MAF, CAI, Throttle Body, NBT Retrofit, Strong Strut '99 318ti Titanium Silver; '97 318ti Boston Green; '13 X5 3.5i Saphire Black Metallic '84 633csi Black (sold); '88 325iC Black (sold); '97 740iL Black(sold); '01 740iS Black (sold);'97 318ti White (sold); '08 X5 4.8i Titanium Silver (sold); '96 318ti Alaska Blue (sold)
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