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Home >> BMW >> 2021 >> X1 sDrive28i >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> Engine - Repair (F48 Fwd) >> 11 61 Intake System >> 11 61 050 Removing and installing intake plenum

11 61 050 Removing and installing intake plenum

Necessary preliminary tasks: 

Removal: 

Unlock and detach connector (1) on Valvetronic actuator.

Unclip wiring harness (2) and detach from intake plenum.

Unclip positive wire of alternator (3) and detach from intake plenum.

G11645398Courtesy of BMW OF NORTH AMERICA, INC.

Unlock and pull off connector (1) from charging pressure sensor.

Unclip refrigerant hose (2) from holder.

Unclip wiring harness (3) and detach from intake plenum.

G11645399Courtesy of BMW OF NORTH AMERICA, INC.

Release connector (1) on pressure sensor and pull off.

Release connector (2) on the throttle valve and pull off.

Unlock and pull off pressure pipe (3) from throttle body.

Put the pressure pipe (3) to one side.

G11645400Courtesy of BMW OF NORTH AMERICA, INC.

Slacken screws in the sequence (5 - 1)  .

Pull intake plenum (6) off the cylinder head and uninstall.

Fig 1: Intake Plenum Screws Loosening Sequence
G11645401Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

NOTE: Replacement: 
Remounting the THROTTLE BODY .
Remounting the CHARGING PRESSURE SENSOR .
NOTE: Parts:  Replace gaskets (1).

Installation note: 

Align the intake plenum on the cylinder head using the guides (2) for assistance.

G11645402Courtesy of BMW OF NORTH AMERICA, INC.

Install the intake plenum (6).

Tighten screws in the sequence (1 - 5)  .

Tightening torque: 11 61 1AZ .

Fig 2: Intake Plenum Screws Tightening Sequence
G11645401Courtesy of BMW OF NORTH AMERICA, INC.

Attach connector (1) to pressure sensor.

Connector (1) must snap audibly into place.

Attach connector (2) to throttle valve.

Connector (2) must snap audibly into place.

Connect pressure pipe (3) to throttle body.

The pressure pipe (3) must snap audibly into place.

G11645400Courtesy of BMW OF NORTH AMERICA, INC.

Attach connector (1) to charging pressure sensor.

Connector (1) must snap audibly into place.

Clip refrigerant hose (2) into holder.

Clip wiring harness (3) to the intake plenum.

G11645399Courtesy of BMW OF NORTH AMERICA, INC.

Plug connector (1) on to actuator for Valvetronic.

Connector (1) must snap audibly into place.

Clip wiring harness (2) to the intake plenum.

Clip positive wire of alternator (3) to the intake plenum.

G11645398Courtesy of BMW OF NORTH AMERICA, INC.

Required follow-up work: