I'm pretty new here, and was thinking I'd help out the M5Board community with our agonizingly proprietary wiper arms.
These Good Rain wipers fit the stock E39 wiper arms, and are the more modern aerodynamic blade type. Reviews are generally very good.
I'll be using the same seller as the one...
Did a little update to my wipers, using these:
They have a fitment that fits to our E39 wiper arms:
Simply remove the existing wipers then pop out the carrier for the spoiler.
The new wiper simply clips in:
Much neater and updated look in my opinion:
They work very well.