41 00... Installing A Cavity Acoustic Baffle (Expanded)

2013 BMW 128i 2D Convertible, Eng CD N52, Standard TransSECTION 41 00... Installing A Cavity Acoustic Baffle (Expanded)
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The following repair represents the procedure for an already expanded cavity acoustic baffle.

The cavity acoustic baffle remains on the body in this instance.

Before these work steps, prepare the new part so that it is ready to install (adapting, cutting to size, applying welding primer etc.).

Clean contact surface (1) with spirit.

Apply a bead approx. 15 mm high (2) of window glass adhesiveΒ  to contact surface (1). Refer to 41 00... Overview Of Expendable MaterialsΒ .

Fit, secure and weld up new part.

Fig 1: Identifying Contact Surface Of Cavity Acoustic Baffle
G04726778Courtesy of BMW OF NORTH AMERICA, INC.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.