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      03-27-2018, 07:54 PM   #24
ThomasR
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Drives: 22 X3 M40i
Join Date: Jan 2009
Location: Albany, GA

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Quote:
Originally Posted by Polo08816 View Post
Sure, it's possible. But then I would counter with, why just change the specification for the front diff and not both front and rear diffs altogether?

The other interesting thing is the part number that shows up in BMW ETK/RealOEM.

http://www.realoem.com/bmw/enUS/show...diagId=31_0932

If you click on Item 14, it lists the following as the front diff oil for your VIN:

83222413511
Hypoid axle oil G2
0,5L
BMW Group

Oddly enough, it doesn't say any history on BMW Synthetics OSP 83 22 9 407 768 used in the past and it being switched out to Hypoid axle oil G2 which it normally would if a fluid spec/part number was changed/updated.
Polo,

I wrote Redline an email asking what they recommend for these part numbers. Here is the response I got:

Thomas,

Thank you for contacting Red Line Oil, sorry at this point we don’t have a cross for that product as we are unable to determine the exact viscosity.

Regards,

Dave Granquist
________________________________________
P: (+1) 707.751.2914 |
O: (+1) 707.745.6100 |
6100 Egret Ct | Benicia, CA 94510
Red Line Synthetic Oil


So I fired off a letter to every BMW email address I could find, some even with a bmw.de address. I ask to forward the email to the appropriate contact in each email if the contact reading the email is not. I'm hoping for a informative response.
Appreciate 1
Polo088161605.50