Ryan, they were about £38 ish for all three but make sure you ask for the torx head screws which are needed to fit them. They don't come with and are about £4-5
You want 3 of 32306762922 (screws) and...
COVER LEFT 32306765093
COVER RIGHT 2306765088
COVER BOTTOM 32306765092
And sorry I didn't respond in my thread only just noticed.
It's not a hard job just make sure you use these instructions...
http://bridger.us/mini/files/steering_airbag.pdf
They were much more detailed than another one I used based around the
JCW wheel.