51 48... Removing And Installing/Replacing Sound Insulation On Cowl Panel/Windscreen

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2013 BMW 128i, 2012 BMW 128i, 2011 BMW 128i, 2010 BMW 135i, and 2010 BMW 128i. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Sound insulation is only fitted in vehicles with diesel engines.

Sound insulation can only be replaced with the following removed:

Instrument panel or Windscreen

IMPORTANT: Press down expanding foam tape (5) shortly before installing windscreen (2) (with hand roller) or stick on if replacing. Relaxed expanding foam tape could crush cement bead (3) (leaks, wind noises).

Replacement:

Stick new expanding foam tape (5) on sound insulation (7) along press-down elements (6).

Expanding foam tape (5) may only be stuck up to corner point of sound insulation (7).

Fig 1: Locating Expanding Foam Tape

Courtesy of BMW OF NORTH AMERICA, INC.

Dashboard trim panel
Windshield
Glue bead
Retaining strip, bottom
Expanding foam tape (sound insulation, cowl panel)
Press-down elements for (7)
Sound insulation, bulkhead upper section
Side frame