Welcome to the forum
Lovely looking car.
There are a number of 325d owners on the forum.
If you do a bit of a
you'll find a number of mentions of 3rd party GAP and tyre insurance due to the high cost of the dealer offerings.
http://www.e90post.com/forums/showthread.php?t=61369
http://www.e90post.com/forums/showthread.php?t=65224
http://www.e90post.com/forums/showthread.php?t=64376