BMW 7 Series: Engine

 Filling Bulkhead Cross-Member With Foam

For acoustic insulation reasons insulating foam is applied to the finish-painted bodyshell in the bulkhead crossmember area. A 2-component PU cavity foam is used. Sourcing reference for cavity foam, refer to BMW Parts Department. Observe SAFETY AND APPLICATION INSTRUCTIONS. Fig. 7: Identifying

 Body Cavity Sealing and Undercoating - Operating Fluids

1.0 GENERAL INFORMATION ON PRESERVATION MEASURES The classic quality of BMW automobiles is based on the long-term comprehensive research and testing, the design, the applied materials and the manufacturing procedures in modern production plants. BMW recommends cleaning the engine, engine compartm