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Discussion Starter #1
HI Guys,
I had my 08 M5 in for the battery recall and decided to have the differential and transmission fluid changed. The car is an SMG with 35K.
The invoice says they used: P/N 83-22-1-467-993 for the diff and P/N 83-22-0-406-941 for the SMG transmission.

Looking at the DIY thread Mike Miller says: Transmission oil (SMG & 6MT): every 30,000 miles (MTF-LT-2 or Red Line MTL). I found a thread on an M3 board that says

Transmission Castrol MTF-LT-2 has 2 part numbers so I think it's right.
83 22 0309 031 (five liters)
83 22 0406 941 (half liter) .


Differential -SAF-XJ Synthetic Final Drive oil for Limited Slip Differential
83 22 1 470 080 (55 liter drum)
83 22 1 467 993 (one liter)
83 22 2 282 583 SAF-XJ+ FM booster



Should I be worried?
 

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Discussion Starter #3
When I first googled the P/N all that came up were M3 and E39M5 threads so I thought the dealer may have put in the wrong fluids. After finding the reference to the different p/n for the Castrol MTF-LT-2 I felt better but thought I'd check in here to be sure. Thanks guys!
 

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for the e60 M5, per the BMW Tech Service Bulletin, you should use the upgraded Differential fluid - especially if you are experiencing grinding sounds from the Diff.

Part # is 83 22 2 282 583

I wouldn't be worried about it too much. If it gives you a piece of mind, then do a Diff flush again w/ the correct fluid.

-------------

Rear AxleApril 2006
Technical Service

SUBJECT
Grating Noise from Differential During Slow Cornering


MODEL
M5


SITUATION
A grinding or grating noise may be heard coming from the differential during slow cornering.

CAUSE
When the rear wheel speed differential varies during tight cornering, a slip stick effect is created on the lining and steel discs incorporated in the differential clutch causing a grinding type noise.

This noise typically goes away as the locking clutch discs in the differential break in.

CORRECTION
On a verified customer complaint basis only, replace the differential oil with a specially formulated differential oil, BMW part number 83 22 2 282 583.

PROCEDURE
Follow TIS repair instruction RA 00 11 259 - Oil change in rear differential.

Refill differential with special differential oil.

Differential capacity = 1.1 liters.

With the vehicle at operating temperature, drive in tight circles (20 circles each direction) allowing the special oil to effectively coat the locking clutch discs.

Vehicles that have had the differential oil converted to this special oil should continue to have only this oil utilized whenever a service requiring differential oil replacement is indicated.

PARTS INFORMATION
Part Number
Description
Quantity
83 22 2 282 583
Special differential oil kit
1
Contains 3 bottles -0.5 liters each
WARRANTY INFORMATION
Defect Code 33 10 02 39 00
 

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HI Guys,
I had my 08 M5 in for the battery recall and decided to have the differential and transmission fluid changed. The car is an SMG with 35K.
The invoice says they used: P/N 83-22-1-467-993 for the diff and P/N 83-22-0-406-941 for the SMG transmission.

Looking at the DIY thread Mike Miller says: Transmission oil (SMG & 6MT): every 30,000 miles (MTF-LT-2 or Red Line MTL). I found a thread on an M3 board that says

Transmission Castrol MTF-LT-2 has 2 part numbers so I think it's right.
83 22 0309 031 (five liters)
83 22 0406 941 (half liter) .


Differential -SAF-XJ Synthetic Final Drive oil for Limited Slip Differential
83 22 1 470 080 (55 liter drum)
83 22 1 467 993 (one liter)
83 22 2 282 583 SAF-XJ+ FM booster
Should I be worried?
I had the same issue and I actually e-mailed Mike. Below is the e-mail I sent and the response. For the record I have had no issues and no noise running the part# 83-22-1-467-993.

“Hello, Mike I hope all is well in your world!

<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com
I e-mailed you about a year ago for the old school maintenance and have been using since; thank you very much it has been very useful! The reason I’m e-mailing you today is over a little confusion and clarification/help!
<o:p></o:p>
<o:p></o:p>
I traded my '08 550i in for an '08 M5 and have loved the choice; love the SMG, but I can see how it is not for everyone! Car is still under maint/service warranty, but as you know once the 1,200mile changes are done this car also falls into the insane service intervals (really 15,000miles on an 8,300rpm engine)! I Have been changing engine oil every 5,000miles with Lubro-Moly and now getting ready to change the rear differential oil and spark-plugs this weekend. <o:p></o:p>
<o:p></o:p>
When I brought my nice clean empty jug into my dealer to pick-up my diff-oil (I was told it was only in bulk at my location previously) with the part#82 22 2 282 583 written on the side from your "Old School BMW Maintenance Schedule v02.11"; I was asked if the rear-end made noise? I said no and then they proceeded to tell me that the part number I had was for the Friction modified version that is used if the diff is making noise. I had read this as well, but I assumed your part# was for the standard Castrol-XJ; which I also understand is ok for this differential. They re-marked my jug with part# 83-22-1-467-993.<o:p></o:p>
<o:p></o:p>
Now I’m worried I have the wrong oil after re-reading your recommendations. Price difference is huge as what I was given was $18.19 List $15.46/pint after BMWCCA discount! The 82 22 2 282 583 is around $80/pint and there are three or $240/change. I paid $123.68/gallon for the 83-22-1-467-993 and this will almost satisfy three changes!<o:p></o:p>
<o:p></o:p>
I know you will not be surprised by any of this, but the last thing I want to do is put the wrong oil in this car. <o:p></o:p>
<o:p></o:p>
Your insight and assistance is greatly appreciated!”
____________________________________________
Mike's response:

"Gary,

Thank you for your interest in Roundel Tech Talk.

They all make noise. I don't think either oil is "wrong" but I don't use either one. I use Red Line 75W-140.

BMW will drive you up a tree with their oil specifications, which are constantly changing.

Best regards,

Mike Miller
BMW CCA Roundel Magazine Technical Editor
BMW CCA Member No. 66319
[email protected]
[email protected]"



:cheers:
 
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