Filling Cross-Member With Foam

Carry over the work step shown symmetrically to the other side of the vehicle.

Insert extension hose through opening (1) up to marking length b.

Spray cavity foam for approx. 10-15 seconds uniformly into cross-member. In so doing, slowly pull out spray pipe up to marking length a.

Fig 1: Extension Hose Opening

Courtesy of BMW OF NORTH AMERICA, INC.