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  1. E39 M5 Axle Flange popping out of differential

    E39 M5 and E52 Z8 Discussion
    Hi, So about 2 weeks ago I did a major service on my E39 M5, Clutch, RMS, and everything else associated with that job and Also the axle seals on the Dif since they were leaking and the exhaust was down. Everything seemed to go well, I drove the car for around 200 miles with no problems until...
  2. Leaking Differential - Opinions Wanted

    E39 M5 and E52 Z8 Discussion
    Hi all. I've done a google search on this issue on the board, there's a lot of potentially helpful threads that are ruined by containing exclusively snapped-in-half image links. Example. This started in February when I had my local "Indy" shop replace my diff bushings as replaced by a PPI I...
  3. E39 (96-03) For Sale E39 M5 stock 3.15 differential with broken pinion gear

    Parts / Other For Sale or Wanted
    $400 + shipping (115lbs). Shipping will probably $150-$200 within USA depending on location. Approx 150,000mi on when removed. As far as I know, everything except the gear set is fine. limited slip was as tight as I have driven. The stub axles that came out of this had almost no wear on them.
  4. Diff Seal for E34 M5 3.8

    E34 M5 Discussion
    Hi there, can anyone help. I've had my diff refurb'ed, but the seal still leaks. The detail on the original seal that came out is 12139493, MEWLD 50x80x9. BMW told me the part is no longer available. Indeed there had been a modified part, that provided a better seal, but this was stopped long...
  5. Rear Diff making rubbing and grinding noise

    E60 M5 and E61 M5 Touring Discussion
    My 2006 M5 with only 20k miles on is making an extreme amount of noise when doing slow turns of 90 degrees or more. I have the service records from the previous owner and i see he had the same issue. He brought it to BMW and they said they found water and metal debris in the rear diff fluid...
  6. New Member - Two Problems

    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...
  7. E39 (96-03) For Sale FS: e39 M5 OEM driveshaft and rear sway bar

    Parts / Other For Sale or Wanted
    Was going to be for an e39 540i LSD upgrade but never got around to it and car is now sold. Can't remember how many miles this part had. But, at $120 for the driveshaft, you can replace guibo and CV joint and save money compared to the price I found on ebay of other OEM driveshafts. Rear sway...
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