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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Mechanical Maintenance: Break-in / Oil & Fluids / Servicing / Warranty > Differential Oil



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      03-16-2014, 04:27 PM   #1
dave4
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Differential Oil

Hi all,

I'm planning on replacing my differential fluids on my 06 330xi, and just wanted to make sure this is the right fluid from AutoZone.

In the Bentley Manual it calls for SAF-XO, googling it says SYNTRAX LONG LIFE 75W-90 (previously known as SAF XO) and I found Castrol/Syntrax Limited Slip gear oil SAE 75W-90 32 oz. at AutoZone.

Is this the correct one? And how much do I need?
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      03-16-2014, 06:40 PM   #2
123Britt
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REDLINE

Just get the best stuff -- Go to the Red Line website and order.
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      03-17-2014, 09:27 AM   #3
David0ff
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you dont need the limited slip one in an open diff
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      03-17-2014, 09:48 AM   #4
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It's just over 2 pints. The LSD oil is okay for non-LSD diffs.
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      03-19-2014, 06:52 PM   #5
dave4
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So just to clarify, Redline 75W-90 is correct? Or do I need the NS of that type?
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      05-08-2014, 02:33 PM   #6
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Is this the correct fluid for BMW X5 xDrive35d - 75W85 GL-5 Gear Oil?

http://www.redlineoil.com/product.aspx?pid=40&pcid=4
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      05-08-2014, 09:41 PM   #7
bvanlieu
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Quote:
Originally Posted by BMW_Diesel_Owner View Post
Is this the correct fluid for BMW X5 xDrive35d - 75W85 GL-5 Gear Oil?

http://www.redlineoil.com/product.aspx?pid=40&pcid=4
Nope. 75w90 gear oil.

Redline does have an application guide

I recently did this in my 335d. Hardest part is the draining on that car

-b
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      05-09-2014, 05:56 PM   #8
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bvanlieu, where is the application guide? Does it specify how much fluid is needed by vehicle?
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      05-09-2014, 08:44 PM   #9
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Just did this on my 328. I'd recommend Redline 75w90. You're not going to be able to suck it all out, but the capacity may exceed 1 qt slightly and you may need to buy two containers.
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      05-10-2014, 10:43 AM   #10
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Sign up at AMSOIL site and get 25% off and order it. You will need a way to vac the old fluid out and pump the new fluid in. I think you will need about 40oz to be safe.
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      05-10-2014, 05:12 PM   #11
bvanlieu
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Quote:
Originally Posted by BMW_Diesel_Owner View Post
bvanlieu, where is the application guide? Does it specify how much fluid is needed by vehicle?
You familiar with LMGTFY?

https://www.google.com/#q=redline+application+guide

Its off their main page IIRC, top right.

As for capacity, that should be in one of your manuals. If its the same pumpkin as the 335d, its a bit over 1qt. I used a single qt on mine as the 335d has no drain plug, so you must slurp it out with a pump in the fill hole.

1qt was tough to get out in the first place.

If they gave the X a drain plug consider yourself lucky. Grrr.

- b
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