I got them off Ebay. They are PowerFlex knockoffs at 1/2 the PF price.

Yes, you reuse the arm, press out the old and press in the new.

Mega PITA pressing in the new PU bushing to get the large edge through the arm.

I am guessing that a newer PF design is a two piece/sandwich affair

Mike

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Mike
Dallas, TX & Appleton, WI
2003 E53 4.4i Pearl Beige
2003 E46 330Xi Monaco Blue
2007 E90 335Xi Black Sapphire Metallic
2011 F25 X3 28i Black Sapphire Metallic