11 12 729 Checking cylinder head for water leaks (M62)

WARNING: This page is about a different variant/trim than selected.

(Cylinder head dismantled)

Seal coolant apertures with special tool kit 11 1 470.

NOTE: Special tool 11 1 473 for cylinder bank 1-4
Special tool 11 1 474 for cylinder bank 5-8

Fig 1: Sealing Coolant Apertures With Special Tool Kit 11 1 470

Courtesy of BMW OF NORTH AMERICA, INC.

Immerse cylinder head in a water bath. Inspection pressure 4.5 bar.

Check cylinder head for escaping air (cracks).

NOTE: If necessary, add cleaning agent to water bath.

Fig 2: Checking Cylinder Head For Cracks

Courtesy of BMW OF NORTH AMERICA, INC.