You can simply remove the five T25 screws and you should be able to get the filters (2 each side) out... the charcoal one is the #2 filter for each side. Then the BMC goes in very easily. It gets tight but you do not need to remove anything but the filter housing. I just did it in 15 minutes max. Tip - it really helps having a LONG t25 torx driver... 8 inches or longer.
https://www.amazon.com/RUBY-Q-Extra-...s%2C129&sr=1-8