Quote:
Originally Posted by bigx5er
So why does it get flushed? I was thinking it was a consumable. Then again, my SA said oil changes took 90 minutes because of the machine that flushes the DEF.
|
It breaks down into separate components over time (ammonium hydroxide and carbon monoxide). It has a published shelf life of 6-12 months. That assumes it isn't stored at over 30C. When it breaks down, it doesn't work as an SCR agent any longer.
__________________
2007 X3 3.0si, 6 MT, Premium, White
Retired:
2008 535i, 6 MT, M Sport, Premium, Space Grey
2003 X5 3.0 Steptronic, Premium, Titanium Silver
2002 325xi 5 MT, Steel Grey
2004 Z4 3.0 Premium, Sport, SMG, Maldives Blue
|