16 19 020 Removing and installing/replacing active tank

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2016 BMW 328i xDrive, 2016 BMW 328d xDrive, 2015 BMW 328i xDrive, 2015 BMW 328d xDrive, and 2014 BMW 328i xDrive. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: Ensure adequate ventilation in the workbay!
Avoid skin contact (wear gloves)!
Avoid eye contact (safety goggles)!
When releasing parts resulting from AdBlue, AdBlue may come out. Have a collecting vessel ready.
Observe country-specific waste disposal regulations.

IMPORTANT: Maintain conditions of absolute cleanliness.
Clean connections and covers of lines carrying AdBlue thoroughly with water after each disassembly or before each installation.
Thoroughly clean the working area with water after repair work.
Use fluff-free cloths for cleaning.
Close connections and lines!
Thoroughly clean special tool with water after each use.

Necessary preliminary tasks:

Drawing off AdBlue
Remove rear right WHEEL ARCH PANEL .
Remove right TANK COVER .
Remove compression strut on the right.

Disconnect plug connection (1).

Unclip connector (2) from bracket.

Unclip wiring harness (3) from bracket.

Fig 1: Identifying Wiring Harness Plug Connection And Connector

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Disconnect plug connection (1).

Press release button (2), and press feed line (3) gently in the delivery unit direction.

Pull off feed line after complete unlocking.

Installation note:

Check for correct latch mechanism of the snap fastener (1) by pulling.

Fig 2: Pressing Feed Line

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Unlock and disconnect snap fastener (1).

Unclip tank ventilation line from brackets (2) and pass tank ventilation line through opening (3) when removing the active tank.

Fig 3: Identifying Tank Ventilation Line Brackets And Snap Fastener

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Release hose clamp (1) and pull off filling hose (2) from active tank.

Installation note:

Replace hose clamp (1).

Fig 4: Identifying Filling Hose Active Tank And Hose Clamp

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IMPORTANT: Support fuel tank (1) with workshop jack across a large area!

Unclip heat shield (2) from tank retaining strap.

Release nut (3) and screws (4) and remove active tank (5) downward.

IMPORTANT: When lowering the active tank, the ventilation line must be passed through the opening in the wheel arch.

Fig 5: Identifying Fuel Tank, Heat Shield, Nut, Screws

Courtesy of BMW OF NORTH AMERICA, INC.