AA Insurance.
With them for 5 years, only claim I've ever had was a chip in the windscreen 3 years ago that didn't even need a full replacement.
Policy renewal documents dropped in the inbox.
Yearly premium goes up by $100 whilst dropping the agreed value of the car down to $5.8k, a drop of 23%.
Nevermind the excessive maintenance and modifications, go find any 6-cylinder E46 Touring for any sort of money, let alone sub $6k.
Getting the car evaluated in the next few weeks and going with someone else.
Useless pricks.