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      07-21-2018, 04:17 PM   #13
Aronis
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Drives: 2018 M5
Join Date: Aug 2016
Location: Binghamton, NY

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Quote:
Originally Posted by Demon Barber View Post
Took my car in today for the break in service. They call me around 2pm and say that one of their sources says the rear diff takes 1 liter, and another source says it takes 2. Not knowing which, and only having one bottle, they elected to delay the rear diff change to later this week after they can talk with someone at BMW to confirm.

Ok.... Then I drive off as the service department is closing down. As soon as I get on the interstate, I get horrible vibration through the steering wheel and the whole chassis. I immediately call the dealership and they say bring it back. Got a loaner and left the car for them to look at on Monday. Don't know what happened, but God I hope the front diff isn't destroyed.

The M5 PDF posted on this forum did list the amount of oil for the front differential, but did not mention the rear. The front requires 1 quart. My service slip says they used one quart in front and two quarts in the rear. Others have posted 2 and 4. So WHO KNOWS! LOL.

Mike
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2018 M5 and 2019 Porsche Boxster GTS
Prior. '94 325is, '97 M3 Lux, '16 M2
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