Installing the engine wiring harness for the sensor system 1

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.

NOTE: RISK OF DAMAGE
Improper routing of cables and wiring harnesses .
Trapped, crushed or damaged cables may cause short circuits and malfunctions .

Route all cables without abrasions, do not trap and crush.

NOTE: TECHNICAL INFORMATION
Detents, guides and mounting elements must not be damaged or missing.

Guide in and install the engine wiring harness (1) for sensor system 1 .
Connect and lock the connector of the DME control unit.
Connect and lock the connector of the integrated power supply module (PDM).
Attach the connector of charging pressure sensor on the intake air plenum and lock.
Connect and lock the connector for the heat management module.
Attach and lock the connector for the coolant temperature sensor on the cylinder head.
Connect and lock the connectors for the knock sensors.
Attach and lock the connector for the temperature sensor on the cylinder head.
Connect and lock the connector for the oil pressure switch.
Attach and lock the connector for the hydraulic valve.
Connect and lock the connector for the crankshaft sensor.

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Connect the connector of the boost pressure sensor to the throttle valve and lock.
Attach connector throttle valve and lock.
Connect and lock the connector for the alternator.
Connect and lock the connector for the air conditioning compressor.
Attach the connector for the coolant temperature sensor on the radiator and lock.
Make sure that all connectors engage audibly.
Insert and position wiring harness section (2) for sensor system 1 .

Tighten down screws (1).

TIGHTENING TORQUE SPECIFICATIONS

Wiring harness section for sensor system 1 to cylinder head
Screw M6	Tightening torque	8 Nm

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Feed in ground cable (4) and position.

Tighten down screw (3).

TIGHTENING TORQUE SPECIFICATIONS

Ground cable to cylinder head
M6x16	Tightening torque	8 Nm

Feed in and install coolant line (1).

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Insert and install the holder (2).
Make sure that the lock (1) engages audibly.

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Insert and install the wiring harness section (3) in the guide (2).
Ensure that the locking mechanism (1) engages audibly.

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Guide in and install the wiring harness section (1) for sensor system 1 .
Make sure the holder (1) engages audibly.

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Insert and install the wiring harness section (2) for the Valvetronic servomotor in the direction of the arrow.
Ensure that the locking mechanisms (1) engage audibly.

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Feed in wiring harness section (3) for injectors and ignition coils in arrow direction and install.
Ensure that the locking mechanism (2) engages audibly.
Insert and install the positive battery cable (1).

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Insert and install the positive battery cable (2) on the holder (3).
Insert and install the battery positive terminal (1).

Tighten the battery positive terminal (1).

TIGHTENING TORQUE SPECIFICATIONS

Positive battery terminal to battery
Nut M6	tightening torque	5 Nm

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Connect and lock the connector (1).
Make sure the connector (1) engages audibly.

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Connect connector (1) in the direction of the arrow and lock.
Make sure the connectors (1) engage audibly.

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Connect and lock the connector (1).
Make sure the connector (1) engages audibly.
Insert and install the connector (1) to the E-box (2) in the direction of the arrow.

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Feed cover (2) in the direction of the arrow into guides (3) and install.
Ensure that the cover panel (2) audibly engages in the guides (3).

Tighten down screw (1).

TIGHTENING TORQUE SPECIFICATIONS

Cover panel to E-box
RF5x26.5	Tightening torque	25 Nm

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Insert and install the tension strut (2).
Tighten down screws (1).

TIGHTENING TORQUE SPECIFICATIONS

Tension strut on shock tower/battery tray
M8	tightening torque	19 Nm

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Follow-up work

Refer to INSTALLING THE FRONT UNDERBODY PROTECTION .
Refer to INSTALLING THE INTAKE PLENUM .
Refer to INSTALLING FAN COWL WITH ELECTRIC FAN .
Refer to INSTALLING FRONT CROSS CONNECTION .
Refer to INSTALLING THE TANK VENT VALVE .
Refer to INSTALLING INTAKE SILENCER HOUSING .
Refer to INSTALLING THE INTAKE MANIFOLD FOR THE INTAKE FILTER HOUSING .
Refer to INSTALLING ACOUSTIC COVER .
Refer to INSTALLING THE UPPER FIREWALL COVER PANEL .
Refer to INSTALLING THE STRUT BRACE .
Refer to CONNECTING THE BATTERY EARTH LEAD .
Refer to INSTALLING FRONT WINDSHIELD PANEL COVER .
Refer to INSTALLING THE REAR HOOD SEAL .