41 00... Installing A Cavity Acoustic Baffle (Expanded)
WARNING: This page does not describe the selected car, but rather 18 other vehicles, including the 2015 BMW Alpina B7L xDrive, 2015 BMW Alpina B7 xDrive, 2015 BMW 750i xDrive, 2015 BMW 750Li xDrive, and 2015 BMW 740Li xDrive. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Carry over schematic representation to the relevant vehicle type.
The following repair represents the procedure for an already expanded cavity bulkhead.
The cavity bulkhead 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 cleaning agent R2.
Apply a bead (2) approx. 15 mm high of SEALANT D1 to contact surface (1).
In order to avoid run off of the sealant when bonding to a vertical surface, a thin coat of sealant on both sides of the surface may be necessary.
Fit, secure and weld up new part.
WARNING:
Ensure adequate ventilation over entire processing period.