Installing the engine wiring harness for sensor system 1
WARNING: This page is about a different car, the 2025 BMW M4, 2024 BMW M4, 2023 BMW M4, 2022 BMW M4, and 2021 BMW M4. However, it is still accessible from the selected car via links, so may be relevant.
Engine wiring harness for sensor system 1
NOTE:
RISK OF DAMAGE
Improper routing of cables and wiring harnesses .
Trapped, crushed or damaged cables may cause short circuits and malfunctions .
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.
- Feed in and install the engine wiring harness (1)
for the sensor system 1.
- Feed in and install the engine wiring harness (1) for the sensor system 1.
- Secure the clamps (arrows).
- Connect connectors (1)
and lock.
The connector (1) must engage audibly.
- Connect connectors (1)
and lock.
The connectors (1) must engage audibly.
- Secure the clamps (arrows).
- Feed in and install the engine wiring harness (2) for the sensor system 1.
- Tighten down screws (1) .
TIGHTENING TORQUE SPECIFICATIONS
| Cable bracket on rear cylinder head/transmission | ||
|---|---|---|
| M6 x 20 | tightening torque | 8 Nm |
- Guide in the wiring harness section (2) and install.
- Make sure that the lock (arrow) engages correctly.
- Tighten down screws (1) .
TIGHTENING TORQUE SPECIFICATIONS
| Cable bracket on rear cylinder head/transmission | ||
|---|---|---|
| M6 x 20 | tightening torque | 8 Nm |
- Connect and lock the connector (1)
.
The connector (1) must engage audibly.
- Secure clamp (arrow).
- Connect connectors (1)
and lock.
The connectors (1) must engage audibly.
- Secure the clamps (arrows).
- Connect connectors (1)
and lock.
The connectors (1) must engage audibly.
- Feed in and install the engine wiring harness (2) for the sensor system 1.
- Secure clamp (arrow).
- Connect connectors (1) and lock.
The connectors (1) must engage audibly.
Follow-up work
- Refer to INSTALLING FRONT AXLE DIFFERENTIAL .
- Refer to REPLACING THE LEFT AND RIGHT RADIAL SHAFT SEAL .
- Refer to INSTALLING FRONT AXLE COMPLETELY .
- Refer to ATTACHING THE REINFORCEMENT STRUT TO THE FRONT SUBFRAME .
- Refer to SECURING THE COOLANT LINE TO THE FRONT SUBFRAME .
- Refer to SECURING THE ANTI-ROLL BAR LINK ON THE LEFT AND RIGHT TO THE ANTI-ROLL BAR .
- Refer to ATTACHING THE LINE CONNECTION OF THE RIDE HEIGHT SENSOR .
- Refer to SECURING THE WIRING HARNESS FOR THE EPS ON THE FRONT SUBFRAME .
- Refer to SECURING THE STEERING SHAFT AT THE BOTTOM ON THE DOUBLE PIVOT .
- Refer to REMOVING THE ENGINE FROM THE INSTALLATION POSITION .
- Refer to INSTALLING CHARGE AIR COOLER .
- Refer to INSTALLING THE COOLANT EXPANSION TANK FOR THE LOW-TEMPERATURE COOLANT CIRCUIT .
- Refer to CONNECTING THE COOLANT LINES FOR THE LOW-TEMPERATURE COOLANT CIRCUIT .
- Refer to INSTALLING FAN COWL .
- Refer to CONNECTING THE COOLANT LINE TO THE RADIATOR .
- Refer to INSTALLING THE RIGHT INTAKE FILTER HOUSING (FRONT-END STRUT REMOVED) .
- Refer to INSTALLING THE REAR TOP CROSS CONNECTION .
- Refer to INSTALLING UPPER CROSS CONNECTION .
- Refer to INSTALLING THE CENTER ENGINE COMPARTMENT COVER .
- Refer to INSTALLING THE FRONT HOOD SEAL .
- Refer to INSTALLING FUEL DELIVERY LINE .
- Refer to INSTALLING ALL IGNITION COILS .
- Refer to INSTALLING THE CENTER COWL UPPER PART .
- Refer to INSTALLING TENSION STRUT ON SHOCK TOWER .
- Refer to INSTALLING WINDSHIELD PANEL COVER .
- Refer to INSTALLING LEFT AND RIGHT WIPER ARM .
- Refer to INSTALLING THE FILLER CHANNEL OF THE WASHER SYSTEM .
- Refer to FASTENING THE WIRING HARNESS SECTION TO THE LEFT SHOCK TOWER .
- Refer to FASTENING THE WIRING HARNESS SECTION TO THE RIGHT SHOCK TOWER .
- Refer to INSTALLING THE COVER IN THE TOP RIGHT REAR PART OF THE ENGINE COMPARTMENT .
- Refer to INSTALLING THE COVER IN THE ENGINE COMPARTMENT AT THE TOP REAR .
- Refer to INSTALLING THE SIDE HOOD SEAL .
- Refer to SECURING THE TRANSMISSION OIL LINES ON THE FRONT SUBFRAME .
- Refer to INSTALLING THE CONTROL UNIT HOLDER .
- Refer to PARTIALLY INSTALLING THE INTEGRATED POWER SUPPLY MODULE (PDM) .
- Refer to INSTALLING THE DME CONTROL UNIT .
- Refer to INSTALLING THE COVER FOR THE DME CONTROL UNIT .
- Refer to INSTALLING THE CLEAN AIR PIPE FOR CYLINDERS 1 TO 3 .
- Refer to INSTALLING THE INTAKE FILTER HOUSING ON THE LEFT (FRONT-END STRUT REMOVED) .
- Refer to INSTALLING THE FRONT-END STRUT .
- Refer to INSTALLING ACOUSTIC COVER .
- Refer to INSTALLING THE STRUT BRACE .
- Refer to SECURING THE ENGINE OIL COOLER .
- Refer to SECURING THE JUNCTURE SHAFT IN FRONT ON THE FRONT AXLE DIFFERENTIAL .
- Refer to INSTALLING THE LEFT AND RIGHT OUTPUT SHAFTS .
- Refer to FASTENING THE WISHBONE, TENSION STRUT AND TIE ROD END ON THE LEFT AND RIGHT ON THE SWIVEL BEARING .
- Refer to TOPPING UP/CHECKING FRONT AXLE TRANSMISSION OIL .
- Refer to INSTALLING THE REAR SECTION OF THE FRONT WHEEL ARCH COVER ON THE LEFT AND RIGHT .
- Refer to INSTALLING THE LEFT FRONT AND RIGHT BRAKE VENTILATION DUCT .
- Refer to INSTALLING THE FRONT SECTION OF THE FRONT WHEEL ARCH COVER ON THE LEFT AND RIGHT .
- Refer to INSTALLING THE COVER OF THE STEERING ASSEMBLY ON THE LEFT AND RIGHT .
- Refer to SECURING THE FRONT LEFT AND RIGHT BRAKE CALIPER .
- Refer to SECURING THE LEFT AND RIGHT OUTPUT SHAFTS ON THE WHEEL BEARINGS .
- Refer to INSTALLING THE FRONT LEFT AND RIGHT WHEELS .
- Refer to CONNECTING ALL BATTERY GROUND LEADS .
- Refer to INSTALLING THE REAR RIGHT ENGINE COMPARTMENT COVER .
- Refer to INSTALLING THE COVER OF THE ENGINE COMPARTMENT ON THE REAR LEFT .
- Refer to INSTALLING THE REAR HOOD SEAL .
- Refer to TAKING HOOD OUT OF THE SERVICE POSITION .
- Refer to FILLING AND VENTING THE HIGH-TEMPERATURE COOLANT CIRCUIT .
- Refer to FILLING AND VENTING THE LOW-TEMPERATURE COOLANT CIRCUIT .
- Refer to INSTALLING THE STIFFENING PLATE .
- Refer to INSTALLING THE LEFT AND RIGHT FRONT UNDERSHIELD .
- Refer to INSTALLING COVERS AT FRONT BOTTOM ON LEFT AN RIGHT SIDES .
- Refer to INSTALLING FRONT UNDERBODY PROTECTION .
- Refer to INSTALLING THE FRONT SPOILER .