54 37... Checking roof shell seal for leaks

Cover capping and place collecting container underneath.

Fig 1: Identifying Roof Shell Seal Capping

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Middle roof shell seal at corner of case:

Partially check corner of case with water bottle.

Raise sealing lip slightly.

Squirt water at base.

Fig 2: Identifying Middle Roof Shell Seal

Courtesy of BMW OF NORTH AMERICA, INC.

Middle roof shell seal at S-bend:

Partially check at S-bend with water bottle.

Raise sealing lip slightly.

Squirt water at base.

Fig 3: Identifying Middle Roof Shell Seal S-Bend

Courtesy of BMW OF NORTH AMERICA, INC.

Check whether water is present in pocket.

NOTE: Middle roof shell is leaking if water is present in pocket.

Fig 4: Checking Whether Water Pocket

Courtesy of BMW OF NORTH AMERICA, INC.

Middle roof shell seal at corner of case:

Partially check corner of case with water bottle.

Raise sealing lip slightly.

Squirt water at base.

Fig 5: Identifying Middle Roof Shell Seal

Courtesy of BMW OF NORTH AMERICA, INC.

Middle roof shell seal at hinge channel:

Partially check seat at hinge channel with water bottle.

Raise sealing lip slightly.

Squirt water at base.

Fig 6: Identifying Middle Roof Shell Seal

Courtesy of BMW OF NORTH AMERICA, INC.

Check whether water is present in pocket.

NOTE: Middle roof shell is leaking if water is present in pocket.

Fig 7: Checking Whether Water Pocket

Courtesy of BMW OF NORTH AMERICA, INC.

Cowl panel seal in A-pillar area:

Raise sealing lip slightly.

Squirt water at base with water bottle and check for leaks.

NOTE: A-pillar seal is leaking if water is present on inside of marking.

Fig 8: Checking Cowl Panel Seal

Courtesy of BMW OF NORTH AMERICA, INC.