Removing the retaining bridge

Removing the acoustic cover

NOTE: RISK OF DAMAGE
Damage to the acoustic cover/design cover.
Jerky movements during disassembly and application of excessive force during installation may result in breakage of the acoustic cover/design cover.

Disassemble or mount the acoustic cover/design cover carefully.
Disassemble or mount snap-lock couplings of the ball pivots one after the other.
Disassemble or mount the acoustic cover/design cover only at temperatures > 20°C.
Use only distilled water as an auxiliary material during installation, no lubricants.

Version with clip:
Unclip the tank vent line (2) at the clamp (1).

Courtesy of BMW OF NORTH AMERICA, INC.
Release the acoustic cover (1) upwards out of the rubber mounts (markings).

G14252001

Courtesy of BMW OF NORTH AMERICA, INC.

Removing the cover panel of the left DME control unit

Remove the cover (1) and pull it up.

G14261807

Courtesy of BMW OF NORTH AMERICA, INC.

Removing the control unit bracket for cylinders 5 to 8

NOTE: RISK OF DAMAGE
Electrostatic discharge.
Damage to or destruction of electrical components.

Leave the electrical components in their original packaging until they are being installed. Only use the original packaging for returning the product. Always package removed components straight away.
Read and comply with user information on using the associated special tool 12 7 060.
Only tap the housings of electrical components. Do not tap pins or multi-pin connectors directly.
Wear electrically conductive clothing and antistatic shoes (with ESD symbol).
For additional information see: 61 35... NOTES ON ESD (ELECTROSTATIC DISCHARGE) PROTECTION .

NOTE: TECHNICAL INFORMATION
Follow instructions for removing and installing control units.
For additional information see: NOTES ON REMOVAL AND INSTALLATION OF CONTROL UNITS .

NOTE: TECHNICAL INFORMATION
Disconnecting control units may cause fault code entries and functional limitations. Fault code entries must be read out and deleted if necessary.

Unlock and disconnect all plug connections (1).
Disconnect all clamps (2).

Courtesy of BMW OF NORTH AMERICA, INC.
Loosen screws (1).
Guide out and remove control unit bracket (2) with the DME control unit upwards out of holder (3).

G14261810

Courtesy of BMW OF NORTH AMERICA, INC.

Loosen the sealing cap (1) from the coolant expansion tank.

Courtesy of BMW OF NORTH AMERICA, INC.
Unlock plug connection (1) and disconnect.

Courtesy of BMW OF NORTH AMERICA, INC.
Disconnecting the coolant hoses (1) from the coolant expansion tank (2) with standard clamping pliers.

G14251577

Courtesy of BMW OF NORTH AMERICA, INC.

Draw off the coolant with a standard syringe.

Courtesy of BMW OF NORTH AMERICA, INC.
Unlock and disconnect the coolant line (1) from the coolant expansion tank (2).

Courtesy of BMW OF NORTH AMERICA, INC.
Unlock and disconnect the coolant line (1) from the coolant expansion tank (2).

G14251580

Courtesy of BMW OF NORTH AMERICA, INC.

Unlock and disconnect the coolant line (1) from the coolant expansion tank (2).

Courtesy of BMW OF NORTH AMERICA, INC.
Loosen screws (1).
Unclip the coolant line from the bracket in the region (2).

Courtesy of BMW OF NORTH AMERICA, INC.
Release the wiring harness mounting at the snap-in lug (1) and put it aside.
Remove the coolant expansion tank.

G14251586

Courtesy of BMW OF NORTH AMERICA, INC.

Working upwards, unclip the engine ventilation line (1).
Unclip the wiring harness from the attachments (2).

Courtesy of BMW OF NORTH AMERICA, INC.
Loosen screws (1).

Courtesy of BMW OF NORTH AMERICA, INC.
Unclip the transmission wiring harness from the bracket (1).
Unclip the plug connector (2) upwards from the heat shield.
Loosen screws (3).

G14251455

Courtesy of BMW OF NORTH AMERICA, INC.

Unclip the Lambda oxygen sensor cable from the bracket (1).

Courtesy of BMW OF NORTH AMERICA, INC.
Unlock and disconnect the engine ventilation line from the retaining clip in the region of (1).

Courtesy of BMW OF NORTH AMERICA, INC.
Release the hose clamps (1).
Remove the bellows (2).

G14251655

Courtesy of BMW OF NORTH AMERICA, INC.

Unlock plug connection (1) and disconnect.

Courtesy of BMW OF NORTH AMERICA, INC.
Unclip the cable of the Lambda oxygen sensor from the bracket (1).

Courtesy of BMW OF NORTH AMERICA, INC.
Unlock plug connection (1) and disconnect.

G14251450

Courtesy of BMW OF NORTH AMERICA, INC.

Unlock and disconnect the engine ventilation line from the retaining clip in the region of (1).
Feed the connector (2) of the Lambda oxygen sensor through.

Courtesy of BMW OF NORTH AMERICA, INC.
Unclip wiring harness mounting (1) from the retaining bridge.

Courtesy of BMW OF NORTH AMERICA, INC.
Unclip wiring harness mounting (1) from the retaining bridge.
Remove the retaining bridge upwards.

G14251457

Courtesy of BMW OF NORTH AMERICA, INC.