Cylinder head, leak testing

# Cylinder head , checking for cracks

Bolt BMW special tool 11 1 111 to the side of the head above the exhaust ports |
Remove pipe fitting from left front of head, beside number 1 intake port. Install a bolt in this hole to seal it. |
Bolt on BMW special tools 11 1 112 on base of head and 11 1 113 to the rear water outlet. |
Pressurize head to 2 bar (28psi), submerge the head in water . |
Placing detergent in the water will make leaks more visible. |

E30 M3 Repair Manual V2.7. Copyright ©1999-2001 Koala Motorsport & Brett Anderson