Group 13

13 05 89 (1967)

Woodcliff Lake, NJ

June 1990

Fuel System

Service Engineering

This Service Information Bulletin supersedes S.I. 13 05 89 (1967) dated January 1990. It clarifies the fuel hose
hookup in Illustration E.

Please remove and discard S.I. 13 05 89 (1967) dated January 1990 from your S.I. binder.

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SUBJECT:

Replacement of Fuel Pressure Hoses

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MODEL:

750iL (1988 - 1989)

Situation:

Due to temperature fluctuation within the engine compartment premature setting of the
rubber fuel hoses at the mounting clamps can occur. To assure durable fitting, the
material composition of the hoses has been changed in production.

Visual
Identification:

Examine the engine fuel supply hoses located on the left side of the engine compartment
bulkhead (rear of engine).

Fuel hose with hose clamp construction: OK
Do not replace.

Fuel hose with crimp type construction: NOT OK
Replace with improved type.

Special Note:

The improved fuel lines and related clamps can be ordered in kit form using P/N 13 53 9
061 892.

Replacement
Procedures:

Pressure Regulator Fuel Lines

·

Remove center engine cover and mountings.

·

Detach coolant expansion tank (Do not remove coolant hoses or cap).

·

Disconnect electrical connectors, remove electrical wiring harness and position to
one side.

WARNING: Gasoline spillage and vapors.

·

Remove cyl. 7-12 fuel rail assembly.

·

Replace both pressure regulator/return pipe fuel lines and screw clamps.

·

Reinstall cyl. 7-12 fuel rail assembly.

·

Reinstall electrical wiring harness and electrical connectors.

·

Reinstall center engine cover mountings.

Fuel Return Line

SI Replacement of Fuel Pressure Hoses

BMW AG - TIS

10.12.2005 13:50

Issue status (10/2001) Valid only until next CD is issued

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·

Detach windshield washer tank connections, move tank to flat area above right
headlight.

WARNING: Gasoline spillage and vapors.

·

Replace fuel return line screw clamps.

·

Note:

Vehicles with a fuel cooler require one additional hose
(P/N 13 53 1 731 660). Refer to illustration "E".

·

Reinstall windshield washer tank.

Fuel Supply Lines

·

Remove left front wheel.

·

Remove left wheel house splash shield (see illustration "A").

·

Detach fuel line holder(s).

WARNING: Gasoline spillage and vapors.

·

Remove both fuel supply lines.

Note:

Depending on the position of the fuel supply line lower
clamps, it may be necessary to unscrew the lower clamps
from inside the left frame rail
(see illustrations "C" and "D").

·

Install improved fuel supply lines with new screw clamps. Use care that both lower
screw clamps are tightened securely.

Note: Both fuel rail supply line screw clamps should point forward (see illustration
"B"). Failure to comply may cause the coolant expansion tank to leak.

·

Reattach fuel line holder(s).

·

Reinstall left wheel house splash shield.

Parts Information:

The fuel line update components can be ordered as a kit using
P/N 13 53 9 061 892.

The fuel line kit contain the following individual parts:

16 hose clamps

16 12 1 180 237

1 fuel line

13 53 1 731 081

1 fuel line

13 53 1 731 082

1 fuel line

13 53 1 731 083

1 molded hose

13 53 1 731 084

1 hose 210mm long

13 53 1 731 518

Note:

Vehicles equipped with A/C line fuel cooler require 1 additional
molded hose, which connects the fuel cooler to the chassis
return pipe.

1 molded hose

13 53 1 731 660

SI Replacement of Fuel Pressure Hoses

BMW AG - TIS

10.12.2005 13:50

Issue status (10/2001) Valid only until next CD is issued

Copyright

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Service Action
Label Instruction:

This Service Action has been assigned code number 32. After the prescribed work has
been performed, obtain a label (SD 89-003) and

a)

emboss your BMW dealer warranty number in the middle of the label.

b)

punch out number 32 printed on the label.

c)

bend label to crease an edge and remove the backing paper. Then affix ft to the "B"
pillar (on driver's front door) as shown.

If the car affected already has a label from a previous Service Action/Recall Campaign,
affix this new label next to the old one. Do not affix one label on top of another one
because a number from an underlying could appear in the punched out hole of the new
label.

Warranty
Information:

Parts and labor reimbursed under the terms of the BMW New Car Limited Warranty of 3
Years/36,000 Miles.

Defect code:

00 13 01 07 00

Labor operation: 00 50 205

Labor allowance:

28 FRU

Any questions regarding warranty coverage should be discussed with your District
Service Manager.

Attachment to S.I. 13 05 89 (1967)

SI Replacement of Fuel Pressure Hoses

BMW AG - TIS

10.12.2005 13:50

Issue status (10/2001) Valid only until next CD is issued

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Illustr. A

1

Wheel house splash shield

Illustr. B

1

Clamp screws point forward

Illustr. C

SI Replacement of Fuel Pressure Hoses

BMW AG - TIS

10.12.2005 13:50

Issue status (10/2001) Valid only until next CD is issued

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Access from wheelhouse

Illustr. D

Access behind Frame Rail

SI Replacement of Fuel Pressure Hoses

BMW AG - TIS

10.12.2005 13:50

Issue status (10/2001) Valid only until next CD is issued

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1

View clamp through Inner Fender Opening

Illustr. E

1

Chassis Return Pipe

2

Fuel Cooler (if equipped)

3

Molded House (P/N 13 53 1 731 660)

4

Hose Clamps: OK

5

Crimped: NOT OK

6

Fuel Supply Lines

7

Pressure Regulator Fuel Line Long

8

Pressure Regulator Fuel Line Short

SI Replacement of Fuel Pressure Hoses

BMW AG - TIS

10.12.2005 13:50

Issue status (10/2001) Valid only until next CD is issued

Copyright

Page - 6 -