Undo circular clip on the air intake - use a 7mm socket or a screwdriver
Undo the 5 Torx-25 retaining fixings
Carefully lift away the air filter box
View of the air filter cover
Clean off any debris on the surface of the filter. Replace with a new filter if heavily contaminated
Check air filter box for debris. Clean out if required. Replace the air filter
Reassemble air filter housing