It's not a big deal but my passenger side rear brake light works intermittently. I get the warning on my dash so I go to the back and adjust it and it works again. A few days later it happens again. I tried to adjust the prongs on the socket so it pops out more thinking it is a contact issue but it doesn't seem to work. What should I do? Buy a new socket or bulb? I doubt it's a bulb since it's intermittent. Is this an electrical issue?

Thanks,

Scott

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03 M5
05 X5
01 RX300