41 63 000 Flap For Fuel Filler Neck Removal And Installation
WARNING: This page is about a different car, the 2008 BMW Alpina and 2007 BMW Alpina. However, it is still accessible from the selected car via links, so may be relevant.
Open fuel filler flap.
Lever out lock (2) and detach fuel filler flap (1) in direction of arrow.
Fig 1: Identifying Lever Out Lock And Detach Fuel Filler Flap