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Home >> BMW >> 2017 >> X3 sDrive28i >> Repair and Diagnosis >> External Pages >> Different car >> Section 373 (Fuel Supply System - Repair) >> SCR Technology >> 16 19 120 Removing and installing/replacing SCR heating power switch

16 19 120 Removing and installing/replacing SCR heating power switch

WARNING: This page is about a different car, the 2013 BMW X5, 2012 BMW X5, and 2011 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT: Ensure adequate ventilation in the place of work!
Avoid skin contact (wear gloves)!
Avoid eye contact (safety goggles)!
Urea/water mixture can escape when parts carrying urea/water mixture are released. Have a collecting vessel ready.
Observe country-specific waste disposal regulations.

Necessary preliminary work: 

Disconnect plug connection (1).

Disconnect plug connection (2).

Turn power switch (3) a 1/4 turn in direction of arrow and remove.

Fig 1: Turning Power Switch
G06913518Courtesy of BMW OF NORTH AMERICA, INC.