12 14 604 Replacing knock sensor (after vehicle diagnosis) (cylinders 3+4): Notes
WARNING: This page is about a different car, the 2018 BMW 340i, 2017 BMW 340i, and 2016 BMW 340i. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
Vehicle may slip off the vehicle hoist if the vehicle hoist is handled incorrectly.
Danger! Immobilization period-threatening injuries!
Danger! Immobilization period-threatening injuries!
- Observe safety instructions on raising the vehicle using a vehicle hoist.
- For additional information see: LIFTING THE VEHICLE USING A VEHICLE LIFT .
CAUTION:
Materials harmful to health.
Contact with fluids harmful to health!
Contact with fluids harmful to health!
- Note and follow safety instructions on containers.
- Conduct all work in appropriate personal protective equipment only.
NOTE:
TECHNICAL INFORMATION
Collect and dispose of emerging fluids. Observe country-specific waste disposal regulations.
Collect and dispose of emerging fluids. Observe country-specific waste disposal regulations.
NOTE:
Notes on work at the cooling system form the basis of these repair instructions and must be complied with at all times.
For additional information see: INSTRUCTIONS FOR REPAIR WORK ON COOLING SYSTEM
For additional information see: INSTRUCTIONS FOR REPAIR WORK ON COOLING SYSTEM
NOTE:
TECHNICAL INFORMATION
When installing the knock sensors, the tightening torque must be observed.
Non-compliance with the tightening torque can lead to malfunction.
When installing the knock sensors, the tightening torque must be observed.
Non-compliance with the tightening torque can lead to malfunction.
Preliminary work
- Refer to REMOVING RIGHT LUGGAGE COMPARTMENT TRIM PANEL
- Disconnecting the battery earth lead
- Refer to REMOVING THE ACOUSTIC COVER
- Remove the FRONT UNDERBODY PROTECTION
- Refer to DRAIN THE COOLANT FROM THE LOW-TEMPERATURE COOLING SYSTEM
- Refer to UNINSTALL COVER FOR THE DME CONTROL UNIT
- Refer to REMOVE THE INTEGRATED POWER SUPPLY MODULE (PDM)
- Refer to DISCONNECTING CONNECTOR FROM DME CONTROL UNIT AND FROM POWER DISTRIBUTION MODULE (PDM)
- Refer to REMOVING THE DME CONTROL UNIT
- Refer to REMOVING THE HOLDER FOR THE DIGITAL MOTOR ELECTRONICS-CONTROL UNIT
- Refer to REMOVING TRAILING LINK AT SPRING STRUT DOME
- Remove the sound insulation on the bulkhead upper part at the center
- Refer to REMOVING THE INTAKE PLENUM
Follow-up work
- Refer to INSTALLING THE INTAKE PLENUM
- Install the sound insulation on the bulkhead upper part at the center
- Install tension strut on spring strut dome. Jointing torque: 56 Nm, angle of rotation: 90° NOTE: Replace screws.
- Refer to INSTALLING THE HOLDER FOR THE DIGITAL MOTOR ELECTRONICS-CONTROL UNIT
- Refer to INSTALLING THE DME CONTROL UNIT
- Refer to INSTALL THE INTEGRATED POWER SUPPLY MODULE (PDM
- Refer to CONNECT THE CONNECTOR TO THE DME CONTROL UNIT AND THE POWER DISTRIBUTION BOX (PDM)
- Refer to INSTALL COVER FOR THE DME CONTROL UNIT
- Refer to CONNECT THE COOLANT HOSE TO THE RADIATOR OF THE LOW-TEMPERATURE COOLANT CIRCUIT
- Install the front underbody protection
- Refer to FILLING THE LOW-TEMPERATURE COOLING SYSTEM WITH THE VACUUM FILLER DEVICE
- Refer to INSTALL ACOUSTIC COVER
- Connecting the battery earth lead
- Install right luggage compartment trim panel
- Refer to BLEEDING THE LOW-TEMPERATURE COOLING SYSTEM