Originally Posted by mountainboy

12C is good for tall people who like to stretch their legs out.

The E90 has a 1 + 2 configuration in J, and row 12 is directly behind this.
12C therefore has leg space which sticks into the J cabin, under the curtain.

Since they don't use a cart in J, you can put your feet up there and noone
will notice....

Now please be kind and don't compete against me for 12C!