Close the locking ring

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.

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.

Courtesy of BMW OF NORTH AMERICA, INC.

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.

Courtesy of BMW OF NORTH AMERICA, INC.

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	Supply/Terminal 30B)	Green
2	R-LIN	-
3	Ground Main Group and pT	Yellow/Blue
4	Lever sensor, right	Yellow/White
5	EKPA	Blue
6	EKB B	Brown
7	EKP C	Shielding
8	Ground TEE	Black

Courtesy of BMW OF NORTH AMERICA, INC.

NEW PIN ASSIGNMENT (CONNECTOR B) DESCRIPTION

Pin	Description	Cable color
1	Supply (Terminal 30B)	Green
2	R-LIN	-
3	Ground Main Group and pT	Yellow/Blue
4	Lever sensor, right	Yellow/White
5	EKP A	Blue
6	EKP B	Brown
7	Ground TEE	Black
8	EKP C	Shielding

Connect plug connections (1).
Position snap fastener (2) and lock.

Courtesy of BMW OF NORTH AMERICA, INC.