Hi CosmicBike,
You're a braver man than I working on your car in this weather, 😀😀
I do quite a bit of outdoor work, often clearing clogged up gutters, so use rubber gloves mainly as obviously leaves and moss etc is so wet, but they're so cold on the pinkies. Lifeline find for me were Hot Hands, I normally just pop a sachet down the glove on the back of your hand, nice n toasty.
https://www.amazon.co.uk/Hands-Insta...1136020&sr=8-9
The B4's will be so much better, have them on my 940 estate.
Good luck with the repairs, and hope the bolts make it to you from within the Royal Mail soon.
Cheers
Steve