(by socket do you guys mean the whole signal assembly?)
No, just the socket.
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I have 108,000 miles with no problems.
I bought my '03 T4R used (second owner), and in the service history it indicates "lamp" maintenance at 53,000 kms - but I am not sure if this was for the front turn signal bulbs or not as it was done by the first owner.
I did replace the front driver's side turn signal bulb (and it operates as the daytime running light here in Canada) at 118,000 kms in 2007.