A chap near me bought one of these a couple of months ago for his BMW
https://www.aliexpress.com/item/32444751062.html?spm=a2g0o.productlist.0.0.2468787 bX18pkH&algo_pvid=b5394cbd-1451-4b0b-bfab-f98af2acae31&algo_expid=b5394cbd-1451-4b0b-bfab-f98af2acae31-0&btsid=6cb6ab36-ebd0-4e59-bdb8-a1ae2069e9d4&ws_ab_test=searchweb0_0,searchweb2016 02_2,searchweb201603_52
It boots up quicker than my Naval 3 and seems to work well.
Might be worth seeing if you have anything you can delete off yours, my son deleted a couple of bits on mine I was not using and it has been better since, mine would lock up when I was using the Sat Nav sometimes but is great now.