Thread: Diff noise?
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      04-26-2008, 10:27 AM   #4
GregW / Oregon

Drives: 2015 M4 Coupe, 2012 ML350
Join Date: Nov 2005
Location: Lake Oswego, OR

iTrader: (3)

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Originally Posted by lucid View Post
I just had my 1200 service done. I didn't get a chance to drive it for long afterwards. Will look out for this in a controlled situation, but I haven't heard it until now. I do get some kind of a "whine" at around 40 mph from the drivetrain (driving straight), but I don't know where it's coming from exactly. I will check to see if it is still there after the break-in. The service guy is saying M drivetrains make all sorts of noises, and that I should drive it for at least another 1000 miles and then see.
Look on your itemized invoice and see if they list an additive or conditioner, in addition to the diff fluid, please.

Greg, did you go up to the redline after the break-in? If do, how is it? I'll do that today.
No, been commuting this week. Will have some fun with it this weekend.

Greg Lake Oswego, Oregon, USA
2015 M4 Coupe - Silverstone/Sakhir/CF
2012 ML350