BMW 1999-2005 M3 Service Manual page 146

Engine Removal and Installation
9 of 16
http://ebahn.bentleypublishers.com/BMW/3/E46/Repair%20Manuals/1...
Lift up manifold just enough to detach
positive cables from starter motor
terminal 50 (arrow).
Remove intake manifold from
-
cylinder head while carefully
checking for electrical connections
or hoses.
CAUTION!
Stuff clean rags into open intake
ports to prevent any parts from
falling into the engine intake.
- Intake manifold Installation is
reverse of removal.
Use new fuel injector seals.
Carefully check intake manifold
gasket and replace if necessary.
Inspect O-ring seal between mass
air flow sensor and air filter
housing. To facilitate reassembly,
coat seal with acid-free grease.
nothing
CAUTION!
When reattaching throttle assembly
harness connector, connector is fully
tightened when arrows on connector
and plug line up.
Tightening torques
Intake manifold to cylinder head
M7
M8
15 Nm (11 ft-lb)
22 Nm (16 ft-lb)
2/25/2009 9:36 PM