Installing the oil coolant heat exchanger
WARNING: This page is about a different car, the 2022 BMW X7, 2021 BMW X7, 2020 BMW X7, and 2019 BMW X7. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
RISK OF DAMAGE
Damage to the surface .
The use of metal-cutting tools (e.g., emery cloths) for cleaning surfaces can damage them and lead to leaks and/or engine damage .
Damage to the surface .
The use of metal-cutting tools (e.g., emery cloths) for cleaning surfaces can damage them and lead to leaks and/or engine damage .
- Do not use any metal-cutting tools.
NOTE:
TECHNICAL INFORMATION
The sealing surfaces must be free of oil, grease and cleaning agents.
The sealing surfaces must be free of oil, grease and cleaning agents.
NOTE:
TECHNICAL INFORMATION
Clean all threaded belt connections with micro-encapsulated outer and internal threads.
Shavings or other debris must not remain in the components.
If a microencapsulated screw is reused, it must be coated with the following screw locking agent: Loctite 243, medium strength .
The screw connection must be completed within 10 minutes as hardening begins after this period.
Clean all threaded belt connections with micro-encapsulated outer and internal threads.
Shavings or other debris must not remain in the components.
If a microencapsulated screw is reused, it must be coated with the following screw locking agent: Loctite 243, medium strength .
The screw connection must be completed within 10 minutes as hardening begins after this period.
- Clean and recut the threads in the engine block.
- Replace sealing ring (1)
.
Parts: Sealing ring
- Replace sealing ring (2)
.
Parts: Sealing ring
- Replace sealing ring (3)
.
Parts: Sealing ring
- Replace the bolts (arrows).
Parts: Screws
- Position the oil coolant heat exchanger (2) and tighten the screws (arrows).
TIGHTENING TORQUES SPECIFICATION
| Oil-coolant heat exchanger on crankcase | ||
|---|---|---|
| M6x14 screw | Replace screws. tightening torque |
12 Nm |
- Connect and lock the coolant tube (1)
.
The coolant tube (1) must engage audibly.
- Tighten down screw (1) .
TIGHTENING TORQUES SPECIFICATION
| Coolant line to cylinder head | ||
|---|---|---|
| M6 | tightening torque | 8 Nm |
NOTE:
TECHNICAL INFORMATION
For contamination of the cooling system (e.g. by motor oil), the cooling system must be rinsed with water until all contamination is removed.
For contamination of the cooling system (e.g. by motor oil), the cooling system must be rinsed with water until all contamination is removed.
NOTE:
To provide a better overview: Illustration of surrounding parts removed.
- Version B:
Connect the coolant return line (1) to the auxiliary coolant pump and lock it audibly.
- Version A:
Position the coolant hose (2) .
Replace circlip (1) .
Parts: cl
Tighten clamp (1) .
Follow-up work
- Refer to INSTALLING LOWER HEAT SHIELD .
- Refer to INSTALLING BOTH EXHAUST MANIFOLDS .
- Refer to INSTALLING FRONT HEAT SHIELD .
- Refer to INSTALLING ALTERNATOR .
- Refer to ATTACHING THE CHARGE AIR COOLER .
- Refer to INSTALLING THE RIGHT TANK VENT VALVE .
- Refer to INSTALLING LEFT TANK VENT VALVE .
- Refer to INSTALLING DRIVE BELT
- Refer to INSTALLING THE COOLANT EXPANSION TANK FOR THE LOW-TEMPERATURE COOLANT CIRCUIT .
- Refer to INSTALLING THE LEFT AND RIGHT TURBOCHARGER .
- Refer to INSTALLING RIGHT CLEAN AIR PIPE .
- Refer to CONNECTING THE RIGHT CHARGE AIR LINE TO THE TURBOCHARGER .
- Refer to INSTALLING LEFT CLEAN AIR PIPE .
- Refer to CONNECTING THE LEFT CHARGE AIR LINE TO THE TURBOCHARGER .
- Refer to CONNECTING THE COOLANT HOSES TO THE HIGH-TEMPERATURE COOLANT RADIATOR .
- Refer to INSTALLING THE CATALYTIC CONVERTER FOR CYLINDERS 5 TO 8 .
- Refer to INSTALLING RIGHT HEAT SHIELD .
- Refer to INSTALLING LEFT HEAT SHIELD .
- Refer to INSTALLING EXHAUST SYSTEM .
- Refer to INSTALLING THE LEFT AND RIGHT REAR DIFFUSER .
- Refer to INSTALLING THE REAR LEFT AND RIGHT TENSION STRUT .
- Refer to INSTALLING THE LEFT AND RIGHT UNDERSHIELD (TANK COVER) .
- Refer to INSTALLING THE STIFFENING PLATE .
- Refer to INSTALLING FRONT UNDERBODY PROTECTION .
- Refer to TIGHTENING SCREW BETWEEN THE LEFT AND RIGHT HEAT SHIELD .
- Refer to INSTALLING HEAT SHIELD, TOP .
- Refer to INSTALLING THE RIGHT-HAND ENGINE VENTILATION LINE AND THE CRANKCASE VENTILATION INTAKE PIPE .
- Refer to INSTALLING THE LEFT ENGINE VENTILATION LINE .
- Refer to INSTALLING OXYGEN SENSOR ON THE LEFT .
- Refer to INSTALLING THE RIGHT MONITORING OXYGEN SENSOR .
- Refer to INSTALLING FAN COWL .
- Refer to INSTALLING THE RIGHT UNFILTERED-AIR DUCT .
- Refer to INSTALLING THE LEFT UNFILTERED-AIR DUCT .
- Refer to INSTALLING INTAKE FILTER HOUSING .
- Refer to INSTALLING THE RIGHT LAMBDA OXYGEN SENSOR .
- Refer to INSTALLING THE LEFT LAMBDA OXYGEN SENSOR .
- Refer to INSTALLING THE RIGHT STRUT BRACE .
- Refer to INSTALLING THE STRUT BRACE .
- Refer to INSTALLING ACOUSTIC COVER .
- Refer to INSTALLING THE REAR TOP CROSS CONNECTION .
- Refer to INSTALLING TENSION STRUT ON LEFT AND RIGHT SHOCK TOWER .
- Refer to INSTALLING UPPER CROSS CONNECTION .
- Refer to INSTALLING THE COVER IN THE ENGINE COMPARTMENT AT TOP LEFT AND RIGHT .
- Refer to DISCONNECTING ALL BATTERY GROUND LEADS .
- Refer to FILLING AND VENTING THE HIGH-TEMPERATURE COOLANT CIRCUIT .
- Refer to CHECKING ENGINE OIL LEVEL .