BMW 5251 Service Manual page 154

1 13-60
Cylinder Head Removal and Installation
Label and disconnect fuel lines from fuel rail by pressing lock-
ing sleeves (arrows) in to release lines.
NOTE-
BMW uses three styles of fuel line connections; a single use
clamp; a locking fitting that uses special tool 16 1 050 to re-
lease; and a quick release sleeve (arrow) that disconnects
the line when depressed.
CAUTION-
Fuel may be expelled under pressure. Do not smoke or
work near heaters or other fire hazards. Keep a fire exfin-
guisher handy Before disconnecting fuel hoses, wrap a
cloth around fuel hoses to absorb leaking fuel. Plug all
I
ooen fuel lines.
I
Always unscrew fuel tank cap to release pressure in
tank before removinq fuel lines.
Cap fuel lines and fuel rail inlets.
Disconnect vacuum lines (A, B and
C)
from rear of intake
manifold.
Working at rear of intake manifold, disconnect crankcase
ventilation valve from pipe by prying up on lock (A) and slid-
ing tube forward (B).