Quote:
Originally Posted by ZetaTre
MY bottomline (just mine, others draw their own...):
1) The in tank stuff is baloney, just like any other in tank additive
2) The wash does something, just not enough
and the most important
3) The regen works the best and it's enough to keep the DPF clean
4) If the DPF clogs up something else is wrong; the DPF is not the problem.
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 Good summary.
There is a reason these additives are called snake oil. But marketing triumphs.....
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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
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