Subaru has a TSB on this issue. 12-152-13 is the bulletin number. Fix is installing new mounting bolts with thread locker.

When do you notice this lol...

Does it like vibrate in the wind or something? I has a first shipment BRZ and haven't notice anything with the mirrors and I have had it at some decent speed.

I had this on my passenger side mirror. Its easy to fix. You need to just take off the mirror (pop the black plastic off, remove the 2 10mm bolts), and tighten the bottom screw on the mirror housing. I fixed this when I installed my heated convex mirrors with turn signals.

it flops in the wind.. really aggravating, when your on the freeway checking your mirrors and they're moving away from your blind spot.. they flop depending on the car infront.. also moving from a stand still..

Thats exactly my issue for the passenger side but my drive side mirror itself is loose.

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[ame]http://youtu.be/KqAC_isIwyM[/ame]

Mine are tight... tight like a tiger.

:threadjacked:Does anyone know if there's a toyota tsb for this?

fixed it.. tighten the phillips head screws inside the mirror base..

can be done in under 3min..