bmw Workshop Repair Guides

BMW Workshop Service and Repair Manuals

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11 44 000

Removing and installing/replacing oil-water
heat exchanger (N40/N42/N45/N46)

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-
water heat exchanger is released. Have a cleaning cloth
ready.

Cover alternator with suitable apparatus.

Necessary preliminary tasks:

Follow instructions for working on cooling system.

Remove front splash guard.

Drain coolant from radiator.

Remove suction filter housing.

Open oil filter cap. Engine oil can flow back into the oil sump.

Release locks (1).

Detach water hoses from oil-water heat exchanger.

RA  Removing and installing/replacing oil-water heat exchanger (N40/N42/N45/N46)

BMW AG - TIS

20.01.2013  19:04

Issue status (12/2007) Valid only until next DVD is issued

Copyright

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1 RA Removing And Installing_replacing Oil-water Heat Exchanger (N40_N42_N45_N46)|Page 745 > < 1 RA Removing And Installing_sealing Guide Tube For Oil Dipstick (N40 _ N42 _ N45)|Page 742