Here's the scanned copy of the TSB. I have an '09 MS3, build date 10/08. Started leaking at only 1800 miles on the clock. Posting hear to see if the non-turbo models have the same issue. Note how it say 2010 also, but it doesn't have specific build dates or counts of cars that will have this problem, or a set of affected VINS. Dealership says it still applies to '09s.... Well, um, we'll see. Monitoring this over time. I suggest all MS3 and Mazda3 owners check. It's EZ to see. If the grease gets too hot and melts over time, this could be some really bad ju-ju for axle bearings. High temp grease issue.... Monitor over time and report. Pic included below, followed by TSB
Picture of what it looks like:
TSB bulletin:
Picture of what it looks like:

TSB bulletin:

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