Seal off fuel hoses:

WARNING: This page is about a different car, the 2002 BMW M Roadster, 2002 BMW M Coupe, 2001 BMW M Roadster, and 2001 BMW M Coupe. However, it is still accessible from the selected car via links, so may be relevant.

Fuel hoses with hose clamps:

Seal hoses with special tool 13 3 010.

Fig 1: Sealing Hoses

Courtesy of BMW OF NORTH AMERICA, INC.