11 61 050 Removing And Installing Intake Air Manifold (S54)

Special Tools Required: 

• 11 9 160

Necessary preliminary tasks:

• Remove intake filter housing, refer to 13 71 000 REMOVING AND INSTALLING INTAKE FILTER HOUSING (S54) .

Disconnect Negative Battery Lead. 

Vehicles With SMG Transmissions Only: 

• Open electronics box cover.
• Detach relay (1) of hydraulic pump.
• Disconnect line between expansion tank and hydraulic unit from intake manifold.
  IMPORTANT: Reinstall relay (1) of hydraulic pump only after connecting j line between expansion tank and hydraulic unit.

Fig 1: Locating Relay Of Hydraulic Pump

Courtesy of BMW OF NORTH AMERICA, INC.

E46 Only: 

Remove microfilter.

Fig 2: Identifying Microfilter

Courtesy of BMW OF NORTH AMERICA, INC.

E46 Only: 

Open cable duct on lower section of microfilter housing and feed out cable(s).

Fig 3: View Of Cable Duct On Lower Section Of Microfilter Housing

Courtesy of BMW OF NORTH AMERICA, INC.

E46 only: 

Release screws (1) and remove lower section of microfilter housing (2).

Fig 4: Locating Screws For Lower Section Of Microfilter Housing

Courtesy of BMW OF NORTH AMERICA, INC.

Press locks.

Remove hose for engine vent.

Fig 5: Identifying Engine Vent Hose

Courtesy of BMW OF NORTH AMERICA, INC.

Gently raise lug (1) and slide holder upwards.

Fig 6: Raising Lug And Sliding Holder Upwards

Courtesy of BMW OF NORTH AMERICA, INC.

Not Applicable To M3 CSL: 

Detach guide tube (1) for oil dipstick from intake air manifold.

Press locks on vacuum hose (2) and detach.

Fig 7: Locating Guide Tube For Oil Dipstick

Courtesy of BMW OF NORTH AMERICA, INC.

Detach tank venting valve (1) from holder on intake air manifold.

Fig 8: Identifying Tank Venting Valve

Courtesy of BMW OF NORTH AMERICA, INC.

Release support bracket at front and rear from intake air manifold.

Fig 9: Releasing Support Bracket

Courtesy of BMW OF NORTH AMERICA, INC.

Press lock. Detach hose (1) from intake air manifold.

Fig 10: View Of Hose On Intake Air Manifold

Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect hydraulic fluid connecting hose:

Press locks.

Detach connecting hose to hydraulic unit tank connection.

Fig 11: Identifying Hydraulic Fluid Connecting Hose Locks

Courtesy of BMW OF NORTH AMERICA, INC.

Place special tool 11 9 160 as shown in illustration on lugs of clamp.

Press clamp together until lock is opened.

Fig 12: Using Pliers On Lugs Of Clamp

Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Replace clamps.

Preassemble clamps in installation position.

Catch (1) must be secured in lug (2).

Fig 13: View Of Preassembled Clamps In Installation Position

Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Push intake air manifold with hose clamps (1) preassembled in installation position onto throttle assembly.

Fig 14: Identifying Intake Air Manifold With Hose Clamps

Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Place special tool 11 9 160 as shown in illustration on lugs of clamp.

Press hose clamps together with special tool 11 9 160 until lock (1) engages.

Fig 15: Locking Lugs Of Clamp Using Pliers

Courtesy of BMW OF NORTH AMERICA, INC.

Press locks and detach condensate return (1).

Fig 16: View Of Condensate Return

Courtesy of BMW OF NORTH AMERICA, INC.

Fig 17: Identifying Vacuum Line And Wiring Harness

Courtesy of BMW OF NORTH AMERICA, INC.

Raise intake air manifold slightly and detach from throttle assembly.

Feed out vacuum line (1) and wiring harness (2).

Remove intake air manifold. Refer to 11 61 050 REMOVING AND INSTALLING INTAKE AIR MANIFOLD (S54) .