Check compression of all cylinders

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2023 BMW X2, 2022 BMW X2, 2021 BMW X2, 2020 BMW X2, and 2019 BMW X2. However, it is still accessible from the selected car via links, so may be relevant.

Preliminary work

Refer to REMOVING SUSPENSION CROSS-BRACE .
Refer to REMOVING THE ACOUSTIC COVER .
Refer to IF INSTALLED: PARTIALLY REMOVING THE ENGINE VENTILATION LINE .
Refer to REMOVING IGNITION COILS .
Refer to REMOVING ALL SPARK PLUGS .

Loosen nut (1).
Thread out the wiring harness section (2) for the injectors and ignition coils and set it aside.

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NOTE:
RISK OF DAMAGE
Damage to wires when disconnecting connectors and plug connections .
Sheared wires can cause a short circuit .
- Do not pull on wires when disconnecting connectors and plug connections.
Unlock lock (1) in direction of arrow from the top.

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Press lock (1) together and release.
Disconnect the connector (2) from the injectors in the direction of the arrow.
Unlock and release all connectors (1) of the injectors.

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Unscrew sensor (1) from special tool 0 490 615 (11 0 222) .
Check the underlying valve for a correct fit.

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Prepare the special tool 0 490 615 (11 0 222) in conjunction with special tools 0 496 306 (11 8 732) and 0 496 107 (11 8 730) .
Screw the special tool 0 490 615 (11 0 222) with 10 Nm onto 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 .
Screw the 100-bar sensor 1 onto the special tool 2 410 242 hand-tight .
Connect the 100 bar sensor (1) with the Integrated Measurement Interface Box-

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Screw the special tool 0 490 615 (11 0 222) into the spark plug thread (1) by hand.
Connect special tool 0 490 617 (11 0 224) .
Observe diagnosis instructions.

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Follow-up work

Refer to INSTALLING ALL SPARK PLUGS .
Refer to INSTALLING THE IGNITION COILS .
Refer to IF INSTALLED: PARTIALLY INSTALLING ENGINE VENTILATION LINE .
Refer to INSTALLING ACOUSTIC COVER .
Refer to INSTALLING THE STRUT BRACE .