Check compression of all cylinders

NOTE: DANGER
High-voltage system.
The high-voltage system operates on the basis of hazardous, electrical voltage and high currents. Danger to life through electric shock!

All work on the high-voltage system may only be carried out by specially trained and technically experienced personnel.
For additional information see:
61 00... SAFETY INFORMATION ON HANDLING HYBRID CARS .
For additional information see:
61 25... NOTES ON REPAIR OF HIGH-VOLTAGE BATTERY UNIT .

WARNING: Hot surfaces.
Risk of burning!

Perform all work only on components that have cooled down.

Preliminary work:

Refer to REMOVING THE ACOUSTIC COVER (2018-2020) or REMOVING THE ACOUSTIC COVER (2021-2022) .
Refer to REMOVING THE SERVICE OPENING IN SOUND INSULATION ON TOP OF ENGINE .
Refer to REMOVING IGNITION COILS (2018-2020) or REMOVING ALL IGNITION COILS (2021-2022) .
Refer to REMOVING ALL SPARK PLUGS (2018-2020) or REMOVING ALL SPARK PLUGS (2021-2022) .
Refer to DISCONNECTING THE CONNECTOR A46*6B FROM THE CONTROL UNIT .

Unscrew sensor (1) from special tool 0 490 615 (11 0 222) .
Check the secure fit of the valve below.

Courtesy of BMW OF NORTH AMERICA, INC.
Prepare special tool 0 490 615 (11 0 222) in conjunction with the special tool 0 496 306 (11 8 732) and 0 496 107 (11 8 730) .
Screw special tool 0 490 615 (11 0 222) with 10 Nm on the special tool 0 496 107 (11 8 730) .

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Connect special tool 2 410 242 to special tool 0 490 613 (11 0 220) with the bayonet fitting.
100-barsensor
100-bar sensor

100-barsensor

81 31 2 357 801

(1) Screw hand-tight into the special tool 2 410 242 .
100-barsensor
100-bar sensor

100-barsensor

81 31 2 357 801

(1) with the IMIBR2

IMIBR2

IMIBR2

81 38 2 295 937

connect.

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Screw the special tool 0 490 615 (11 0 222) into the spark plug thread using the special tool 0 496 305 (11 8 731) by hand.

Courtesy of BMW OF NORTH AMERICA, INC.
Observe diagnosis instructions.

Follow-up work:

Refer to CONNECTING THE CONNECTOR A46*6B WITH THE CONTROL UNIT .
Refer to INSTALLING ALL SPARK PLUGS (2018-2020) or INSTALLING ALL SPARK PLUGS (2021-2022) .
Refer to INSTALLING THE IGNITION COILS (2018-2020) or INSTALLING ALL IGNITION COILS (2021-2022) .
Refer to INSTALLING THE SERVICE OPENING IN SOUND INSULATION ON TOP OF ENGINE
Refer to INSTALLING THE ACOUSTIC COVER (2018-2020) or INSTALLING THE ACOUSTIC COVER (2021-2022) .