Yes. I used a short rachet handle wrapped in a rag so as not to damage anything.

It helps if you remove the trim immediately above the wiper but I’m sure it can be gotten to without doing that.

Just found this article: https://www.productsafety.gov.au/sys...%20Booster.pdf

E53 not eligible by the looks of things despite using the smamw engine, same lines and same booster/cylinder etc. Nothing like giving the middle finger to your loyal customers