I guess in theory if whomever put the control arms in used "anti-sieze" & you can easily extract the control arms.

Oh yeah, you have to have a press to R & R the joints properly. Although I have seen someone use a hammer in a pinch (not advised).

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1994 E500 (MY SUNDAY DRIVER)
1993 190E SPORTLINE LE W/ M104 SWAP
1997 C230
2002 ML320
2000 BMW 528I (WIFEY'S CAR)

"Excuses are crutches for the unfounded."