99% done. I forgot to order a few dark blue parts for the front. I managed to get my hands on a bunch of rare dark blue parts (6536, 42003, 32039 and the original ribbed hose).
The gearbox is amazing and so much quicker than I expected. Imo near flawless, except for the steering column which is a bit fragile. Ideally you want very old and worn PF switches for this model, as they are vital to the functionality and reduce friction.
The roof is truly magic but a pain to build. There are several axles that must be aligned perfectly or the sequence won't work. Also don't test any of the roof functions, no matter how tempting it may be, as it will mess up the alignment.
Instructions were fine, but a bit unclear sometimes. I have no idea where the seats go. It isn't shown clearly at all, and the passenger seat doesn't fit the way I think it's supposed to.
I also spotted two mistakes. The first:
The pin won't fit. It should be moved one stud to the right and requires a small mod.
And the other, the mirrors for the left door are made while building the right door and vice versa. That one wasn't a big issue.