I have an 01 330ci with 140k I don't think the differential fluid was ever changed I wondering what weight do I need I think I'll get royal purple from my experience with the brand so far
75w90
My Previous Vehicle - In the Edmonton/Northern AB Area? We're having a meet... Click Here
I have used RP 75w140 on BMW without issues. 75w90 or 75w140 will work.
02 BMW 325
13 MB GLK350
94 GMC sonoma 4x4 - hpd30/8.8 - toy
15 MB GLA250 (wife's)
01 Pontiac WS6 - Garage Queen
12 RAM CC Hemi powered - new DD
GOIN BROKE BUT N STYLE
I think 75w140 is used on LSD
My Previous Vehicle - In the Edmonton/Northern AB Area? We're having a meet... Click Here
The diff is an open diff. Use Redline 75W-90NS.
Redline 75W90
Redline 75W90 is what I use.
+1 on Redline 75w90
+1 redline for tranny/diff/& ps
I would use redline but I don't have the money and I plan to change it more often now keeping my fluids fresh and clean what's your option on Lucas diff fluid?
1 or 2 bottles of Red Line Diff fluid wont brake the bank man..
My Previous Vehicle - In the Edmonton/Northern AB Area? We're having a meet... Click Here
I used half Redline 75W-90 & half Shockproof Heavy last time I changed the diff fluid. Overkill but that's what I had in the garage left over from other projects. Averaging 30 mpg highway, so I know it's not dragging. Will probably never change it again as long as I have the car.
I have no experience with Lucas, but any synthetic 75W-90 should work fine.
Last edited by hitbyastick; 07-10-2013 at 04:50 PM.
I've been using Mobil 1 75W-90 in both my transmission and differential for the last 14 years and 352,000 miles without incident. I change it every 60k religiously. just my two and a half cents worth...
V/R Zachary Pullins Sr.
Florida Suncoast Chapter BMWCCA
2016 Cadillac SRX & 1999 E39 540i/Sport
" Vision without resources is just hallucination"
Quality 75w90 synthetic fluid (LINK) is all the E46 Non M differential requires. RedLine 75w90 and the European BMW diff fluid are two of our most popular options.
I just did some searching and redline is not expensive I was looking at the price of a set more than a quart. Oops. It is also the fact that its hard to come by at the stores any idea where I can get some at the store I want to do it now.
Have been using Mobil 1 75w90 in my BMW's for a while, no issues ever. Occasionally I'll order some Redline, never noticed a real difference between the two to be honest.
Just put some Mobil 1 in my E46 330i ZHP, check out my DIY:
Link: https://youtu.be/VoZOvgP6Pag
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