The air filter is located here
Undo the two retaining clips on the air filter body
Now release the air breather pipe
Carefully lift away the air filter box
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. Now you can replace the air filter
Reassemble the air filter housing
Find a Haynes product for your BMW:
Search by registration mark
Search by make & model