BMW 5251 Service Manual page 119

11 3-25
Cylinder Head Removal and Installation
4
Working beneath car (on left side under driver seat), remove
fuel filter cover and clamp off fuel hose(s).
NOTE-
M54 engines use a single fuel line to the non-return fuel rail.
Disconnect fuel lines by pressing in on spring lock (arrows).
CAUTION--
Fuel may be expelled underpressure. Do not smoke or worlc
near heaters or other fire hazards. Keep a fire extinguisher
handy Before disconnecting fuel hoses, wrap a cloth around
fuel hoses to absorb any leaking fuel. Plug all open fuel lines.
NOJE-
BMW uses various styles of line connections; a one-time
band clamp; a self-locl(ing connector (that use BMWspecial
tool
16
1 050 to release); and a quick release connector
(above).
4
M52 TU engine: Pull throttle cable out of rubber retainer (A)
and unhook ball end of cable ( 6 ) from throttle actuator.
4
Remove fasteners retaining wiring harness at throttle body
and support bracket (arrows).