Home / Products by Brand / K&N Products / K&N Air Filter Kit - M3 K&N Air Filter Kit - M3 £55.00 £45.83 (ex. VAT) Add to your Wish List You will earn 55 points with this purchase Info Reviews A K&N Air Filter Ki To fit the E46 M3 Please allow 5 days for delivery. Not yet reviewed Write an online review and share your thoughts with other shoppers! Be the first to review this product. Tab 4 content. Tab 5 content.