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(For use within the BMW dealer organisation only)
Specialist knowledge required.
Installation time approx. 5 - 6 hours, depending on
the condition of the car and the equipment in it.
If the optional time switch is fitted, the installation
time will be extended by approx. 0.25 hours.
General notes
In the course of further development it may happen
that connectors and slot occupations will change.
The latest test instructions are always to be used
for the installation work.
If the specified slots are occupied, bridges, double
crimps or parallel end stops are to be used.
All hose lines and cables are to be installed in such
a way that they cannot chafe or sag.
All hose lines are to be installed in such a way that
they cannot touch or chafe on electrical cables.
Ensure that the electric cables are not kinked or
damaged when they are installed in the car since
this may cause faults that will take a great deal of
work later to identify. The costs of this work will not
be reimbursed by BMW.
Deburr drilled holes, remove drill chippings and
complete the usual BMW anti-corrosion work.
Ordering instructions
Two coolant hoses and a hose holder must be
ordered for cars with an M43 engine and
integrated heating control (IHR).
Hose from engine supply to water valve
Part No.
64 21 8 377 783
Hose from water valve to heater core
Part No.
64 21 8 363 198
Hose holder
Part No.
64 21 8 386 477
In addition a blower control and a connection plug
must be ordered for all cars produced up to 9/98
with the special accessory integrated heating and
cooling system (IHKA) (SA 524).
Blower control Part No.
Connection plug (gold-yellow)
61 36 8 366 282
Important information on operation
To avoid starting problems caused by using the
auxiliary heating system, you should not use the
auxiliary heating system if you only drive the car for
short distances (< 20 km).
When the auxiliary heating system is not in use, the
heater is to be run for 10 minutes every four weeks
to prevent the auxiliary heating system suffering
from starting difficulties when you next need it.
!
The auxiliary heating system must not be
operated in enclosed areas such as garages or
workshops without a fume extraction system (not
even with the timer or using the remote control).
The auxiliary heating system must be switched
off at filling stations.
Table of contents
1 Preparations
2 Installation and cabling diagram
64 11 8 385 549
4 To install and connect the auxiliary heating
cars with IHKA from production start
1 Preparations
- Print out the error memory
- Disconnect the battery
- Remove the rear seat bench and the cover
beneath it for the fuel tank on both sides
- Remove the glove compartment
- Remove the radio
- Unclip the air conditioning or heating control
- Remove the A pillar trim on the left-hand side
- Remove the footwell trim on the left-hand side
- Remove the cover from the electrics box
- Remove the cover from the passage from the
electrics box in the left-hand footwell
- Remove the air filter box and the air flow meter
- Unclip the front left indicator light
- Remove the microfilter and microfilter casing in
full (cars with M43 engine and IHR only)
- Remove the front bumper
- Remove the left headlight
- Remove the front left wheel arch trim
- Remove the bottom engine trim
- Remove the fuel filter cover
2 Installation and cabling diagram
F 46 0154 M
Legend
2 Coolant hoses
3 Blower relay
4 Fuse holder
5 Diagnostics connector (Webasto)
6 Receiver for Telestart
8 Blower control connector
9 Aerial for Telestart
10 Fuel metering pump
11 Fuel supply
31
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