Emptying the DEF Extractor

1. To empty the canister; open the drain valve (1) on the bottom of the canister.
   NOTE: The extractor will not function properly if the drain is opened while there is vacuum applied to the system.
   Fig 1: Identifying Drain Valve

   Courtesy of BMW OF NORTH AMERICA, INC.

Consult with your local municipality on proper disposal of used DEF. Never reuse the DEF that is evacuated from a vehicle. Always refill the SCR system with new DEF (2.5 gallon service bottles, P/N 83 19 0 440 158).

Filling the SCR system

Factory warranty will only reimburse the use of 2.5 gallon service bottles (P/N 83 19 0 440 158) when draining and refilling the SCR system.

Fig 2: [Draining And Refilling SCR System]

Courtesy of BMW OF NORTH AMERICA, INC.

Proper maintenance for DEF Extractor/Filler Tools (P/N 81 39 2 153 908/909)

Always rinse the tools, lines and fittings with water after each use.