51 71... Sealing the units compartment partition wall, top center

Necessary preliminary tasks:

Remove gasket (1) for engine compartment lid.

Release screws (2, 4).

Remove partition wall (3).

If necessary, remove butyl residue from the body.

Fig 1: Identifying Gasket, Partition Wall And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Remove sponge rubber seal or butyl residue from area (1).

Fig 2: Identifying Rubber Seal Area

Courtesy of BMW OF NORTH AMERICA, INC.

Press protruding sponge rubber seal back into the joints (1) or cut it off.

Installation note:

Prepare 2 pieces of butyl rope 6-7 mm in dia. and 10 cm long.

Seal joints (1) with butyl tape.

Fig 3: Sealing Joints With Butyl Tape

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

Apply butyl tape in area (1) along the component edge.

Compress the butyl tape evenly when inserting the partition wall.

Tighten down screws.

Reassemble the vehicle.

Fig 4: Identifying Rubber Seal Area

Courtesy of BMW OF NORTH AMERICA, INC.