11 44 000 Removing and installing/replacing oil-coolant heat exchanger (N54)
WARNING: This page is about a different car, the 2010 BMW X6, 2009 BMW X6, and 2008 BMW X6. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
Danger of scalding!
Only perform these tasks on an engine that has cooled down.
IMPORTANT:
You must protect the alternator against contamination before carrying out any work on the oil or coolant circuit.
A residual amount of coolant emerges when the hoses are detached. A residual amount of oil emerges when the oil-coolant heat exchanger is released. Have a cleaning cloth ready.
Cover alternator with suitable apparatus.
A residual amount of coolant emerges when the hoses are detached. A residual amount of oil emerges when the oil-coolant heat exchanger is released. Have a cleaning cloth ready.
Cover alternator with suitable apparatus.
Necessary preliminary tasks:
- Drain coolant . See 17 00 005 DRAINING AND ADDING COOLANT (N54) .
- Remove fan cowl . See 17 11 035 REMOVING AND INSTALLING/REPLACING FAN COWL WITH ELECTRIC FAN (N54) .
Release screw (1).
Tightening torque 11 42 3AZ , see OIL FILTER AND LINES
Do not detach oil lines from oil-coolant heat exchanger in upward direction.
Installation:
Replace O-rings.
Release bolts (1) on oil-coolant heat exchanger.
Remove oil-coolant heat exchanger towards front.
Installation:
Replace seal.
Reassemble car and set in horizontal position.
Vent cooling system and check for water leaks.
Start engine and run at idle until oil pressure warning lamp goes out.
Stop engine.
Wait approx. 5 minutes and check engine oil level.
Top up engine oil if necessary.