Closing locking ring (vehicle without stationary heating system)

WARNING: Working on fuel system.
Risk of fire! Danger of explosion!

When working on the fuel system, make sure the workstation has sufficient ventilation, e.g., by means of extraction.
Tightly seal off open lines and connections; collect any leakage fuel directly at the point of exit.
No fire, sparks, open flames or smoking.

NOTE: TECHNICAL INFORMATION
Collect and dispose of emerging fluids. Observe country-specific waste disposal regulations.

NOTE: TECHNICAL INFORMATION
All the new delivery units are delivered in equipment specification with parked-car heating.
For these vehicles, the connection on the flange lid must be closed with a lock.
The lock must be ordered separately, refer to applicable BMW parts catalogue.

Place special tool 2 452 189 or 2 445 958 (1) on the locking ring (2).
Connect the special tool 0 495 554 (33 5 070) with a reversible 1/2 inch (3) ratchet head and place on the special tool 2 452 189 2 445 958 .
Tighten locking ring (2) in clockwise direction.
Make sure that the locking ring to the fuel tank is engaged correctly.

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Place and lock the lock coupling (1) on the connection of the fuel line for the stationary heating system.

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Check
Attach the connector housing to the pump.
NOTE: TECHNICAL INFORMATION
For vehicles up to 03/2017, it may be necessary to replace the connector on the wiring harness and the pin assignment when exchanging the electric fuel pump.

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Result

» The connector does not fit or it cannot be attached!

Measure

Replace the 8-pin connector (see applicable BMW parts catalogue) and change the pin assignment (pin 7 and pin 8)!

Current pin assignment (Connector A)

Pin	Description	Cable color
1	Lever sensor, left	Green
2	white	-
3	Ground, lever sensor	Yellow/Blue
4	Lever sensor, right	Yellow/White
5	EKP A	Blue
6	EKB B	Brown
7	EKP C	Black
8	Ground TEE	Shielding

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NEW PIN ASSIGNMENT (CONNECTOR B) DESCRIPTION

Pin	Description	Cable color
1	Lever sensor, left	Green
2	white	-
3	Ground, lever sensor	Yellow/Blue
4	Lever sensor, right	Yellow/White
5	EKP A	Blue
6	EKP B	Brown
7	Ground TEE	Shielding
8	EKP C	Black

Position all snap fasteners (1) and lock.
Connect the plug connection (2).

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Replace gasket (1).
Parts: Gasket

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Mount the cover (2).
The arrow must point in the direction of travel.
Replace plastic nuts.
Parts: Plastic nuts

Insert plastic nuts (1) and tighten.

TIGHTENING TORQUES SPECIFICATION

Cover of sensor opening on body
Replace plastic nut.	tightening torque	3 Nm

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Close the floor trims in the area (1) in arrow direction.

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