Hello all, I just joined E90 post and need to get my 3 posts in so I can PM and create my own thread.
I assume OP hasn't been changing wheels, just tires. My suggestion is to buy some cheap winter wheels for the winter tires and then you'll be able to quickly and easily change them yourself at home. (the cost of the wheels will pay for themselves quickly at 200 per change)
Thank you for letting this be my FIRST E90 post!