Quote:
Originally Posted by kawasaki00
You are rolling the dice on anything but oem fluid for the diff. I ran the castrol syntrax and mobil 1 with ls additive and both made the diff chatter pretty bad within 500 miles. Went back to the oem fluid and it quit making noise in 50 miles.
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Interesting, I will stick to OEM then, as I have no complaints so far from the diff. The dealer replaced the fluid a year ago with the friction modifier additive, as my diff was chattering like mad when turning. Worse comes to worse, a rebuild is not expensive but I will take your advice and stick to OEM.
Quote:
Originally Posted by Z K
It isn't but MTL is thicker so before warming up, it is harder to shift. Redline recommends D4 ATF so I stick to that.
Read this article:
http://www.redlineoil.com/news_article.aspx?id=13
It says Mike Miller recommends MTL for older BMWs but newer cars should use D4 ATF. |
Thanks! Lets see how MTL behaves for the next 15k miles, at which point I will re-evaluate and perhaps switch to D4.