51 71... Removing and installing/replacing sound insulation for bulkhead upper part

2011 BMW 528iSECTION 51 71... Removing and installing/replacing sound insulation for bulkhead upper part

Necessary preliminary tasks:Β 

Remove rubber seal (1).

Release screws (3).

Tightening torque 51 71 3AZ .

Unfasten screws (2).

NOTE: Screws (2) are partly behind side sound insulation.

Remove side sound insulation.

Release screws (4).

Tightening torque 51 71 3AZ .

NOTE: Screws (4) are behind central sound insulation.

(Refer to the following operation.)

Remove middle sound insulation.

NOTE: Arrows mark bolting points of middle sound insulation.
RENDER: 1.0x

NO RELATED

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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.