bmw Workshop Repair Guides

BMW Workshop Service and Repair Manuals

1 RA Replacing Fuel Heater (M51, M41)|Page 460 > < 1 RA Replacing Fuel Heater (M51, M41)
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Connector assignment:

Pin 1: Terminal 30

Pin 2: Terminal 31

Pin 3: Terminal 15

Description of Operation:

Heating switches on:

Terminal 15 on and fuel temperature below +2

°

 C

Heating switches off:

Fuel temperature above +7

°

 C

During the starting process when vehicle voltage falls below
7.5 V.

If the specified values are not obtained, replace fuel heating unit.

If installed:

Unplug connector (2) for water-level sensor.

Press clips and disconnect lines (1) and (4).

Caution!

Catch escaping fuel.

Installation:

Check sealing rings, replace if necessary.

To simplify assembly operation, coat seals with acid-free
grease.

RA  Replacing fuel heater (M51, M41)

BMW AG - TIS

23.01.2013  06:54

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

Copyright

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1 RA Replacing Fuel Heater (M51, M41)|Page 460 > < 1 RA Replacing Fuel Heater (M51, M41)