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  1. M5 E39 and E60 tips & tricks
    I've been researching this issue like crazy for the past two weeks and I can't put my finger on it. I've got this weird groaning/howling noise that comes up on the M5 around 40mph and up and it seems to sound the loudest around 55mph. I replaced the differential and transmission fluid yesterday...
  2. E39 M5 and E52 Z8 Discussion
    I've been trying to track down this super-charger like whine for a while now. I don't know if it's been getting louder, or I am just more paranoid about odd noises from my beast. ?????? I was hoping it was the alternator, as the voltage does fluctuate some with RPM, and sometimes at idle the...
  3. E39 M5 and E52 Z8 Discussion
    Hello, about two months ago I bought my first ///M car and second BMW and E39. I have been lurking on this board way before I got my M5 just to learn about them. But now I have two problems, an annoying whine and squeaky brakes. The whine: It is audible at anything above about 30mph with no...
  4. E39 M5 and E52 Z8 Discussion
    My beast has developed a whine under half to full throttle. Does anyone have any ideas what it could be? Maybe it's sprouted a supercharger over night?! I don't think it's an issue with the engine, there is no whine when it's revved out of gear. Excuse the rubbish recording... YouTube - E39 M5...
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