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Home >> BMW >> 2012 >> 335is 2D Convertible, Standard Trans >> Repair and Diagnosis >> Body & Frame >> Sun Roof/T-Top/Convertible Top >> Convertible Top - Repair - E93 >> Folding Roof >> 54 37... Checking distinguishing features, sealing system new/old

54 37... Checking distinguishing features, sealing system new/old

NOTE: The altered sealing system has universally been incorporated into production since 03/2009, and has already been in production in the Shadow-Line equipment specification since 01/2009.
In isolated cases vehicles from the quarter 04/2007 may turn up with the altered sealing system from trial runs.
Mixed installation between old and new systems will result in leaks.

The new and old sealing systems are marked as follows in these instructions:

  1. = new (altered) sealing system
  2. = old sealing system
    Fig 1: Identifying Sealing System Correct/Incorrect Symbols
    G09862703Courtesy of BMW OF NORTH AMERICA, INC.

Seal for front roof shell 

Fig 2: Identifying Seal For Front Roof Shell
G09862704Courtesy of BMW OF NORTH AMERICA, INC.

Old 

Two filler pieces are fitted in the front area of the seal. Filler pieces can be identified by touch.

New 

Seal without filler pieces. Filler pieces cannot be identified by touching.

Seal for front roof shell 

Fig 3: Checking Seal For Front Roof Shell (Correct/Incorrect)
G09862705Courtesy of BMW OF NORTH AMERICA, INC.

New 

The side edge of the front seal is pulled down a further 1.5 mm. Window glass retracts into this seal by a further 1.5 mm.

Front center roof shell gasket 

Fig 4: Checking Front Center Roof Shell Gasket (Correct/Incorrect)
G09862706Courtesy of BMW OF NORTH AMERICA, INC.

New 

Modified rib structure on seal.

Rear center roof shell gasket 

Fig 5: Identifying Rear Center Roof Shell Gasket (Correct/Incorrect)
G09862707Courtesy of BMW OF NORTH AMERICA, INC.

New 

Additional rubber structure at rear end of seal.

Roof shell seal, rear 

Fig 6: Identifying Roof Shell Seal - Rear (Roof Shell Seal)
G09862708Courtesy of BMW OF NORTH AMERICA, INC.

New 

Omission of lip at front end of seal  .

Soft top cover seal 

Fig 7: Identifying Soft Top Cover Seal (Roof Shell Seal)
G09862709Courtesy of BMW OF NORTH AMERICA, INC.

Recondition shaped corner at transition of soft top cover seal to luggage compartment seal.

Cut off middle rib approx. 3-4 cm to allow water to flow off better in this area.