^^ I beleive all W124 OE wiper blade metal frames have replaceable rubber liners. I have my old wiper blade with a replaced rubber liner but the Bosch marathon frameless wiper blade I installed on my car a year ago still works very nicely. It looks out of date on a W124 though.

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2012 BMW X5 (Beef + Granite suspension model)

1995 E300D - The original humming machine (consumed by Flood 2017)
2000 E320 - The evolution (consumed by flood 2017)